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From the archives: Nothing but a Dirty Film? Polywater – the cold fusion of the 1960s

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This article originally appeared in The Skeptic, Volume 4, Issue 6, from 1990.

In the history of modern science there have been several disputes, sometimes quite heated, over controversial phenomena which were later shown not to exist. These are examples of what is sometimes called pathological science. Examples of pathological science are sometimes raised in discussions on the paranormal partly because they are instances where conventional science can become very similar to the paranormal – see, for instance, Dave Love’s article on cold fusion in The Skeptic 3.4.

Pathological science is of relevance to paranormal research because it shows how researchers can mistakenly come to believe in the existence of a phenomenon. It shows how mistakes, self-deception, and careless or hurried research can lead to mistaken beliefs. But in the hard sciences, such as chemistry and physics, as the weight of evidence against the phenomenon increases, most supporters are able to accept they were mistaken.

The two classic examples of pathological science are N rays and polywater. I will discuss N rays in a future issue but in this article I would like to present the scientific ‘discovery’ which inspired Kurt Vonnegut’s novel Cat’s Cradle with its lethal ‘Ice 9’-polywater.

In 1962 Nikolai Fedyakin was working in a laboratory in Komstroma, a city about 1 90 miles from Moscow, investigating the behaviour of pure liquids in very narrow (about 0.003 mm diameter) glass capillaries. He found that over a period of a month a column of liquid about 1 .5 mm long formed at the top of some of the capillaries, where previously there had been no liquid. Even odder than this separation of a pure liquid into two parts was the fact that the liquid in the top of the capillary was denser that the original liquid below it. His publication of these findings in a widely read Soviet science publication marked the start of the strange story of polywater.

Fedyakin’s report aroused the interest of some scientists in Moscow, especially Boris Deryagin, the director of the Surface Forces Laboratory at the Institute of Physical Chemistry in Moscow. As early as the 1930’s he had conducted research into how liquids very close to solid surfaces differed structurally from liquids in bulk. Deryagin and his colleagues began by repeating – and improving – Fedyakin’s original experiment until it only took a matter of hours to collect a sample of this modified liquid several millimetres long. To try to prevent impurities getting into the liquid, they took great care over the liquids and equipment they used. However, they found that the modified water they produced had very different properties to normal water: it froze at -30 degrees Celsius, boiled at 250 degrees, was 15 times more viscous and its density was 10% to 20% greater. It was this modified water which was later given the name polywater.

Between 1962 and 1966 Deryagin’s laboratories published ten papers in a small circulation Soviet journal, and in 1965 Deryagin presented details of his work at an international chemistry conference in Moscow. Despite all this activity, western scientists were still not properly aware of the importance of the claims being made. Partly to blame for this was the way in which the papers actually understated the importance of their contents, and an inefficient translation system at the conference.

This situation changed with the 1966 Faraday Discussion at the University of Nottingham, where Deryagin presented a summary of his team’s discoveries. He also speculated that polywater was more stable than ordinary water, with the implication that all water would eventually change into polywater, though this could take a very long time. He claimed that this work on modified liquids proved that liquids could exist in several forms. This phenomenon – called polymorphism – is known to occur in solids. For example, the element carbon can exist as graphite or diamond, and disappointingly, even diamonds are not forever: they change extremely slowly into graphite. As for polywater, Deryagin suggested that it could be caused by the solid surface of the capillary altering the forces between the water molecules to such an extent that the modified water could exist independently of the surface. Surprisingly, there was little reaction from the audience to his work or his speculations.

While he was in Britain, Deryagin visited several British laboratories which were interested in his work on polywater, and subsequently a number of British groups, including one led by Brian Pethica of Unilever, began research into polywater. The Russians continued their research but neither they nor anyone else was ever able to produce more than very small amounts of polywater. In 1967 Deryagin attended the Gordon Conference in the USA but once again his report on polywater was received with little interest. But things began to change with the 1 968 Gordon Conference, where Pethica announced that his group had verified Deryagin’s work. Most of the audience were skeptical but one scientist, Robert Stomberg of the US National Bureau of Standards, was interested enough to investigate further.

In fact, it was due to the US Office of Naval Research that the idea began to be taken seriously in the US. They were alerted in 1968 when the regular summaries they received recording developments in European research began to mention polywater. They reacted by setting up a conference in February 1969 exclusively for US scientists, to increase their knowledge about polywater. In this it was very successful and it was to America that the story now moves.

In early 1969 there were many speculations in the scientific journals on polywater, but the first serious report was in Nature (12 April 1969) in which Pethica summarised his findings. He confirmed some of Deryagin ‘s results but warned that until polywater became available in large amounts it would not be known whether it was just an impure solution or actually a new form of water.

Then, on 24 May, an Anglo-American team, which included Ellis Lippincott, professor of chemistry at the University of Maryland, announced that using spectroscopy they were sure that polywater was ‘a new form of water and not the result of casual contamination.’ They concluded it must be a polymer of water molecules.

But it was a paper which appeared in the 27 June issue of Science which more than anything else aroused the interest of US scientists in polywater. This paper, by Lippincott, Robert Stromberg and others, reported that after comparing 100,000 different spectra with the polywater spectrum they were sure that polywater was a new substance, which they believed was produced when the quartz capillary tube caused the water molecules to form a polymer. Their tests for contamination revealed minute quantities, but these were too small to have caused the difference between the polywater and water spectra. Lippincott and his colleagues increased the publicity they were receiving by travelling widely to different countries to give lectures on polywater.

There was much reporting and speculating on polywater in the scientific press but it was not until a lecture given by Lippincott in New York on 11 September that the news was published in the media worldwide. The media would probably have soon lost interest in this subject if it had not been for a letter F J Donahue sent to Nature. He wrote that polywater was ‘the most dangerous substance on Earth’, fearing that if molecules of polywater got outside the laboratory they could, because they were more stable than normal water, act as nuclei around which normal water could change into polywater, eventually turning Earth into a Venus-like planet. From this point the mass media were to play an important – but bad – role in the polywater affair.

In contrast to the growing support for polywater, at the end of 1969 a letter was published in Nature from a researcher into glass solubility suggesting that polywater was just silica contaminated water. In 1970 a team led by Dennis Rousseau of Bell Laboratories reported in Science (27 March) that careful chemical analysis showed that polywater was simply water contaminated with sodium, potassium, chlorine amongst other things, but hardly any silicon. In June many of the leading people in the polywater debate attended a conference at Lehigh University, Pennsylvania Deryagin dismissed the contamination explanations by saying that these were the result of careless work, and that his own samples contained only minute levels of contamination. The revelation by Lippincott that his polywater spectrum was almost certainly caused by contamination shook the belief of many supporters. Little new evidence was presented, and most of the scientists left as they had arrived, unconvinced by either side in the debate.

Little new data emerged during the rest of 1970 but many articles continued to be published including one by Deryagin on the evidence for polywater (Scientific American, September 1970). Robert Davis of Purdue University received much publicity without having published a single paper on polywater at that time. To support the contamination theory on polywater he was able to show an article from an obscure Russian journal in which a chemist reported that in 1968 an analysis of samples of Deryagin’s polywater suggested it was caused by contamination. Its chemical composition suggested it could be of human origin, possibly sweat. This was reported in the New York Times of 27 September. In October Davis appeared in Time magazine with a photo of him at work, wringing sweat out of a T-shirt.

The year 1971 began with Pethica and his colleagues announcing that the recent work of others led them to think that polywater was a contaminated solution rather than a polymer of water. Deryagin’s reply to this showed that he still believed in polywater. Chemical analysis continued to provide evidence against polywater and by now much of the argument had moved away from whether polywater existed to what the cause of the contamination was. The sweat and carelessness theories continued to have some support but it was the silica contamination explanation which was receiving increasing support. Headlines in Nature such as ‘Polywater and Polypollutants’ and ‘Polywater Drains Away’ reflected how attitudes were turning towards acceptance of contamination.

During 1972 and early 1973 papers on polywater were still being published, though in decreasing numbers. Nothing of significance on polywater was reported until the 17 August Nature in which Deryagin stated that more careful work had shown that polywater was caused by impurities in the water. The composition of these impurities depended on the method of preparation, but always included silicon (Scientific American September 1973). This can be considered the end of the polywater affair though the results of polywater research continued to be published for the next few years.

It is now believed that the properties of polywater are due to high silica concentrations. But is is also known that it could not all come from the quartz capillary tubes because quartz is not soluble enough to produce the required concentration of silica. This fact had been used by Deryagin against the claims of silica contamination. This is one of the questions which Felix Franks, in his definitive Polywater (MIT Press, 1981), claims had still not been satisfactorily answered when he wrote about these events in 1981. The negative label attached to polywater research may have delayed investigation into the exact nature of the contaminants, but what is now clear is that polywater was not at all what it originally appeared to be.

From the archives: A panoply of paranormal piffle – The Skeptic meets Stephen Fry

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This article originally appeared in The Skeptic, Volume 4, Issue 5, from 1990.

For anyone possessing a television, a radio or, for that matter, the Friday edition of the Daily Telegraph it is difficult to avoid Stephen Fry’s pugilist’s nose, mellifluous tones and dry wit. The actor’s art does not give much scope for personal opinion but in his writings Fry’s irreverence for the irrational, his antipathy for the antiscientific and his intense disdain for daftness become apparent. In the Listener in December 1988, for instance he wrote ‘It’s extremely unlucky to be superstitious for the simple reason that it is always unlucky to be colossally stupid…’ It was in the context of this skepticism, unusual in actors who are generally regarded as a superstitious lot, that Stephen Fry agreed to be interviewed by the Skeptic.

It was perhaps appropriate on arriving at the Groucho Club for the interview that our conversation began with an unintentional spot of comedy. This resulted from the fact that I could not initially persuade the reels on my (borrowed) cassette recorder to turn round. The first recorded phrase of the interview was thus ‘…and you are an electrical engineer and you don’t quite know how to operate a cassette recorder…’.

But then (I suspect unusually for actors) Fry is quite at home with technology and is a keen user and programmer of Apple Macintosh computers. It would be tempting to think that this was perhaps natural for someone whose father is a physicist and a computer buff but, in fact, his father’s scientific, mathematical and musical abilities had the effect of initially pushing Fry away from these areas: ‘From an early age-and without wanting to be too psychoanalytic about myself – I think I probably gave up on things that I thought I could never compete with my father on. So I became far more interested in the arts and gave up piano lessons as soon as I possibly could-at the age of about eight-and went round claiming I had a maths block. But after I’d left Cambridge when I was a bit more grown up I became very interested in computers – I got an early BBC micro and then bought a Macintosh the year they came out and began programming and discovered I didn’t have a maths block at all.’

Although he was a student at Cambridge at the end of the seventies (1978-1981) this was a few years after the infatuation of the student community with Eastern religions. And although his mother’s family was religiously Jewish and his father’s family Quaker, western religion did not feature greatly in his upbringing either:

‘I had a sort of vague yen to go into the church when I was about 15 or 16 – I rather fancied myself in a cassock – but I think, generally speaking, I have always inclined towards what is loosely called liberal humanism. I’ve never really been strongly drawn to anything religious. This is not to say that I can’t be drawn towards anything spiritual which is not the same thing at all. But I’ve always, for as long as I can remember, had an irritation with things superstitious. I have a great belief in reason – the world is so remarkable and extraordinary anyway that to try and find things that are subject to no testing, no logic and no reason is ugly. The world is far too mysterious a place in its own right to try to add mysteries.’

Although he read English at Cambridge and took no science courses Fry nonetheless has a sympathy for science which is unusual in arts graduates, and does not feel that a scientific understanding of the world reduces our appreciation of it:

‘Just as there is nothing intrinsically dry and unspiritual about science, similarly there is nothing intrinsically mystical and irrational about the study of literature. Indeed, when I was at Cambridge we were going through the great structuralist debate and a lot of people were saying that the trouble with structuralism is that it is a rather scientific method, so that at linguistic levels you actually have complex formulas for the description of phonemes and so on. They felt that English should be about your response to a text, and there is of course room for that, but my view has always been that you don’t find the Lake District less beautiful just because you happen to know about the rock structure underneath it. If anything, geologists may even find it more beautiful because they see what Eliot might call the skull beneath the skin, which gives them a greater sense of the beauty of it. Similarly I have no patience for people who say that Shakespeare was ruined for them by having to study it at school; a further understanding of something never ruins its beauty.’

At this point Stephen Fry paused to blow his nose and remarked on the fact that for many years he had felt that he was immune to colds as he never seemed to catch them. Unfortunately, a few days previously, the Cosmos had responded to this false confidence by giving him the grandaddy of all colds – and in the acting world having a cold brings its own problems:

‘I would say the worst thing about being in a play is the moment you get a sniffle like I’ve got now, and you’re in your dressing room, suddenly there is a knock on the door and you hear:

“Stephen, hello it’s Lucy here. I heard your cough and there’s a wonderful little man in Camden Passage who does Bach wild flower remedies. Here’s his card.”

“Yes thank you”

And then there’s another knock:

“Would you like to borrow my crystals?” somebody else says. And it continues:

“Knock, knock” –  “I’ve got four piles of vitamins. Here’s a bottle of vitamin C there’s one of vitamin B, one of vitamin D and one of vitamin K, which not many people know about.”

“Get out!”, I cry. “I’ve got a cold, for God’s sake leave me alone, I don’ t want your crystals, I don’t want your homeopathy, I don’t want your little weird spongy trace element pills that melt on your tongue. I don’t want any of this drivel, I just want a handkerchief!”

But he does proffer an explanation for this type of almost superstitious belief in unproven, quack remedies or formulae for self-improvement that seem so popular amongst actors and perhaps more particularly amongst actresses:

‘One of the explanations is that actresses careers are very difficult. They have to rely so much on their personal appearance, on their health, and on their skin quality, that they’re desperate for anything that they think might even have a 0.01% chance of making them fitter, or look better or glossier.’

Fry, himself, however, did not avail himself of a unique opportunity for self-improvement which he had seen on a TV programme:

‘I was so staggered when I saw some television programme about an American who is genuinely producing jeans with crystals sewn into a special gusset because he believes the crotch is the centre of consciousness and that the crystals resonate with some cosmic frequency. He’s making a fortune out of people buying jeans with bits of mineral in them.’

As lone skeptic in the midst of a generally credulous community of actors and actresses, an easy course of action might be to keep one’s views on homeopathy, astrology and psychic powers to oneself. Stephen Fry, on the contrary, expresses his views and expresses them forcefully. Andrew Lloyd Webber has a long-weekend party at his house in Newbury every year and often organizes a debate in the evenings. One year Fry was asked to propose the motion ‘Sydmonton (the name of Lloyd Webber’s house) Believes that Astrology is Bumf’ and was seconded by John Selwyn Gummer (of mad cow disease fame). The motion was opposed by no less a personage than Russell Grant who was seconded by the woman who taught TV ‘s cuddliest astrologer his mystical arts. Fry began his speech in blunt terms: ‘I said that not only does Sydmonton believe that astrology is bumf, it believes that it is crap, it’s a crock of horseshit, that it’s bullshit.’ But this rhetoric was followed up with some good skeptical entertainment as Fry had asked his agent to obtain ‘serious’ astrological readings based on information given to a number of astrologers about him, Hitler and various other persons. He proceeded to amuse the gathering by reading these totally inaccurate personality profiles thereby somewhat weakening the opposition’s argument.

Astrology is clearly a subject about which Fry has strong feelings (to be expected in a Sagittarius): ‘The constellations are all based on the parallax from which we view them so that it is totally arbitrary when we say that a particular constellation looks like, say, a pair of scales. Then to say, given that from this particular point of view this particular constellation looks slightly like some scales, someone born under it therefore is balanced is just the most insane thing you’ve ever heard. Or to say that someone born under Gemini, the twins, displays some kind of split personality, it seems so clear that this is just nonsense. And then people say “It stands to reason you know…” . It stands to all kinds of things, but reason is certainly not one of them.’

He recently participated in television programme on Channel 4 called Star Test in which celebrities are interviewed by a computer. The interviewee is alone in a studio with the cameras operated remotely and is asked by an electronic voice to select a topic and then to select a number from 1 to 5. So far so good – but the next question asked of him was ‘what is your star sign? ‘ – not a good question to ask the man who once said, in an interview with the Independent, that the length of his penis was likely to reveal as much about his personality as his star sign (–and no Freudian will disagree with that!).

‘… And so I refused to say anything and just stood up – you’re supposed to sit down – with the cameras following me, and spoke angrily about astrology for about 2 minutes. I expect they ‘ll cut this bit because I went on and on and on and on…’

Fry, when confronted with the there-are-more-things-inheaven-than-are-dreamt-of-in-your-philosophy school of logic, stresses the word ‘dreamt’ and insists that he also dreams of heffalumps, unicorns and tolerable estate agents. However he does accept that it is possible for people to have a significantly greater sensitivity to certain stimuli than most of us and that this can lead to, for instance, an apparent ability to dowse for water:

‘I was in the South of France recently where a friend of mine who is a great skeptic, Douglas Adams (author of Hitch-hiker’s Guide to the Galaxy), has a house. Now, all of Provence is desperately short of water, it’s the worst crisis they have ever had. If you want water you have to ring up for the water lorry and pay a vast amount of money to have your tank filled. It really is very, very bad. And he was talking to a chap who looks after a lot of houses belonging to English people in that area who was saying “well you either pay for the lorry each time it comes or you can have someone to come and dowse”. And indeed there are dowsers in Provence who make a fat living out of finding water for people.

‘Now, goodness knows I certainly don’t believe that a mystic power comes out of the earth but I do believe in hyperaesthesia and I know of a great many people who are able to read signs in a semiotic way; who are able, for instance, to see someone talking and know that he is lying simply because they are so good at reading signs that most of us don’t notice. Similarly, someone who is experienced in the kinds of places where water is likely to be, may well see patterns in the plants or geology of the area that indicate the presence of water – perhaps at a subconscious level. But he may genuinely believe that the water is influencing his dowsing twig. So I won’t dismiss dowsing because, in my view, anybody who can make a decent living by dowsing, amongst people as naturally cynical as the French, in an area where water is so rare must have some talent for finding water. But I don’t for a moment believe that there is any outside agency which is making the twig move’.

Another esoteric art for which Fry has a certain respect but without believing that there are any mystical elements to it – is the use of randomness to help gain insights into oneself or into problems: ‘I think the use of the aleatory in life is rather good. The I Ching for instance – which I don’t actually think any Chinaman believes to be particularly mystic – is a rather useful way of confronting anything. But the thing that you must do is think of the question you want to ask, ultimately, yourself. In fact, you can use any random event. For instance, you may have an important decision to make and what you can do is concentrate on the first thing you see out of the window – which could be a sparrow. You look at this sparrow with the question in your mind and anything the sparrow now does – via the natural patterning and metaphorical symbolizing abilities of the mind – will help you to come to grips with the problem. Essentially, you have the answer yourself but you just want to be shown an authority for it. Everyone needs a sense of some authority behind what they’re doing it, no-one wants to think of himself as being entirely alone and self-determining. In reality, of course, the real authority comes from oneself but we search for something to sanction what we’ re doing and rather reasonable things like the I Ching, ultimately, turn the authority back to oneself by the way in which one is obliged to frame the question.’

Tolerant of oracles and dowsers, vociferous in his opposition to astrology and quackery – but what is Stephen Fry’s particular bete noire amongst the mindless, mystical menagerie?

‘I suppose the one that really gets me going probably more than most is what the Greeks used to call metempsychosis – what we now call reincarnation. It doesn’t take much to realise that even at the rate at which we are increasing as a population, there are still many more dead people around than there are living ones. Therefore there is a surplus of dead people so that they can’t all be reincarnated – except as wasps perhaps, rather than WASPs. So I would love to hear one of these fatuous people who claim they’ve been around in previous lives just for once having lived in a period of time or as a person that wasn’t dramatically interesting. Why must they all have been a serving maid to Cleopatra or caught up in the persecution of the Jews in York or something that is so easily researchable, so pointlessly predictable?

And the other thing that really annoys me is the people who claim to have seen ghosts. They nearly always—because they think its going to impress you more – tell you about it in a rather matter-of-fact tone of voice. Whereas, if l was going to even vaguely begin to believe that someone had seen a ghost, I would expect them to be absolutely staggered because it turns upside-down one’s whole preconception about what the physical universe is.’ He leaned forward and gesticulated with his cup of cappuccino. ‘If I dropped this and it went upwards, I would be talking about it for the rest of my life. I wouldn’t just dismissively say “Yeah, it’s interesting – I let go of this cup and it fell upwards – would you like another cup of coffee?”. And similarly with ghosts. Seeing a ghost would overturn everything you understand about the universe around you. You would have to be excited about it. Yet the person who recounts his experience pretends he’s bored with it How can you take it seriously? The whole paranormal panoply gets me going. It’s all such ineffable piffle, isn’t it?’

I couldn’t have put it better myself.

From the archives: A hole in the head – Creationists and APEmen in Lowestoft

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This article originally appeared in The Skeptic, Volume 4, Issue 5, from 1990.

Perhaps you don’t know that when ancient man (ably assisted by Raquel Welch) roamed the earth, his life was made more perilous by fire-breathing dinosaurs. Evidence for this lies in an unexplained cavity in the skulls of some dinosaurs, and the widespread legends of dragons from Europe and Asia.

This gem of information was related to a small but fascinated audience in Lowestoft public library lecture room in June, by Dr Rosevear PhD, C Chem, FRSC, Chairman of the Creation Science Movement. Outside the rain poured down and the great winds blew, as if in support of his theory of the year-long Flood of Noah, during which all the Earth’s sedimentary rocks (including those formed under desert conditions) were laid down. So inclement was the weather that only 18 people struggled damply through the wet streets to hear him speak on the downfall of modern science due to the infallibility of the bible.

Lowestoft had been promised this intellectual treat since January 1989, when a local optician stated in the weekly Lowestoft Journal that evolution is rubbish, not logic. I leapt to the defence with a short letter – and the ensuing correspondence from many different writers carried on for three months (it was a dull winter for news in Waveney that year!). The outcome was a promised visit from Dr Rosevear in March, which had to be cancelled due to illness.

Reasoning the Creationists would have another bite at the cherry, I joined the CSM to keep informed of personnel movements and to collect some of their literature. I also read up a selection of books on the American experience. Various queries resulted in helpful contacts with the Association for the Protection of Evolution, and a meeting with one of the APEmen.

When Dr Rosevear informed us the postponed visit would take place this June, I went into action and contacted by previously prepared letter all the science departments in our local High Schools and College of Further Education, and the various mainstream churches. Interest was very small – but enough, as it turned out. The mainstream churches were indifferent on the whole as they find no problem in assimilating evolutionary theory into Christian teaching, and have no truck with the CSM literature produced for Sunday Schools (Our World, published by Creation Resources Trust). One of the High Schools showed particular concern as the staff had experienced pupils querying evolutionary theory at GCSE level because it ‘contradicted the bible’. There are a couple of large fundamentalist free church groups in this area which attract young people.

So, on this wet June evening, we few gathered together to hear why Science is Wrong. The presentation of the talk was poor, partly due to a mislaid slide projector, but the general style was the usual one of casting doubt on radiometric dating methods, and making out that scientists are all at each other’s throats, quite incapable of coming to rational conclusions about anything. Mention was made of Barry Setterfield’s work on the decrease of the speed of light which changes the age of the universe from several billion years to a few thousand. This intellectual tour de force seems to have been conceived by Setterfield working on his own at home, and due to family illness he is unable to reply to the various criticisms of his figures.

From CSM pamphlet 262, we learn that by using values for the speed of light, c, from Roemer’s time (1675!) to the present, and by using a graph whose y axis starts at 299800 (no units given), Setterfield can draw a curve, in which c, when extrapolated back to 4000 BC, reaches infinity. (In the actual graph it merely approaches a very large number). A recent lecture given to the Stanford Research Institute is reported by CSM to have received warm applause, careful and lengthy discussion and no protests. However, SRI have now withdrawn their initial support due to pressure from ‘certain quarters’.

Furthermore, discussion with astronomers (unnamed) indicated that the curve did not follow a cosec2 formula, as Setterfield initially deduced, but would take the form of the square root of an exponentially damped sinusoid, ie at some periods of time the speed of light would be zero. I assume this is astronomer’s code for ‘rubbish!’, which is printed in the CSM leaflet in error.

HDR image of the Orion Nebula and 'Running man', surrounded by other distant stars and galaxies. A range of dust colours in the nebula are visible; orange, blue, pink, purple and more.
An HDR image with the full Messier 42 view of the Orion Nebula, also showing the NGC1999 region at lower right and Running Man Nebula (SH2-279) at the left. Keesscherer, CC BY-SA 4.0, via Wikimedia Commons

There are many interesting conclusions to be drawn from Setterfield’s work. From E=mc2 creationists can deduce that if c was faster in the past, then radioactive decay would also be faster, so allowing us to alter all our radiometric dating to fit in with an earth created about 6000 BP. However, according to Alan Lewis and Michael Howgate of APE, stellar energy production would have raised by a factor of at least 5 x 1022, resulting in super pyrotechnics just as God said ‘Let there be light’. And the poor newly formed plants and animals would have died immediately from radiation sickness, bombardment by super-dense molecules, intense solar radiation and having bones too thin to hold their own weight. The CSM assure us the world was very different before Eve spoilt it with her Sin of Disobedience – and if Barry Setterfield is right, it certainly was completely different from today.

The liveliest part of the evening was the constant interruption of the speaker by Alan Lewis of APE, who kindly came up from London with his partner for the meeting. He has had considerable dealings with CSM, and they were dismayed when he turned up. (However did he find out about their meeting?) When Dr Rosevear made a false statement or misrepresented what scientists put forward, then Alan interrupted him – there were a lot of interruptions! At one point he even corrected Dr Rosevear’s misunderstanding about animal feeding habits, and was thanked by the highly embarrassed speaker. Eventually Mrs Rosevear left to phone the police, but she had no support from our Lowestoft force who have better things to do than sit in on creationist meetings.

The APE strategy had two valuable effects. First, it put Dr Rosevear off course, and the talk became even more wildly muddled. Secondly, it ensured that the tape recording made by the faithful would be completely useless in spreading the creationist gospel.

Unfortunately the 10 non-scientific church members present accepted everything the speaker told them, reasoning that as he is a scientist and a Christian, he would relay accurate scientific information. They assumed Alan was a godless sinner out to destroy God’s kingdom – and at similar meetings in less peaceful surroundings, Alan has received physical rough handling. It was valuable to have seven other scientists present, who could raise more issues, and question time was dominated by their objections. One inquiry was whether Dr Rosevear discounted all the work done by thousands of scientists over the past hundred years, and he actually admitted this was so.

After the gathering broke up in some disarray, the supporters of evolutionary theory retired to the nearest local for a far more interesting conversation with Alan Lewis about the problems of dealing with these odd groups of religious fanatics. He has followed their fortunes for some years so is conversant with all their theories.

While one cannot open closed minds, one can at least raise doubts, and it may be worthwhile emphasising, when dealing with this sect, that any organisation which takes the moral high ground, as the CSM claim to do, should be extremely careful that they do not deliberately misrepresent scientific discoveries. I discussed this with Dr Rosevear. Both he and his wife are charming and courteous people, and how they can countenance deception I cannot understand.

I pointed out that in their literature they claim that those who support evolutionary theory also support racism, pornography and lawlessness; that they still publish a pamphlet reporting that Dr Colin Patterson, a senior palaeontologist at the Natural History Museum in 1981, holds anti-evolutionary views, although Patterson has strongly denied their interpretation of his talk; that in their children’s literature they produce drawings of dinosaur and human footprints in Cretaceous rocks in the Paluxy river bed, while admitting to adults both sets of footprints are dinosaurs. If readers of the Skeptic come across creationist literature, it may be worth while writing to the CSM asking for further explanation, as a useful time-wasting device.

We should also be aware that while mainstream churches are unlikely to support creationists, in Britain at any rate, they may not be prepared to make active protest. Their attitude would be that the job of refuting creationists lies with scientists, and that by highlighting these events the creationists may receive too much media coverage. Professor Derek Burke, the Vice Chancellor of the University of East Anglia, who has had considerable dealings with the American creationists over the years, wrote to me that it may be better to boycott such events as they tend to lead to public controversy and such groups are unimportant fringe movements of no consequence. They have a more active following in the USA and Australia – and some connections in Germany and parts of eastern Europe.

We are pleased the importance of CSM in Lowestoft is minimal, in spite of the interest shown last year, and we hope the hostile reception they received will discourage their return to this area.

Editor’s note: when this story was first published in 1990, it mistakenly identified Dr Rosevear as being Chairman of the Christian Science Movement – he was, at the time, Chairman of the Creation Science Movement, and the text here has been updated to correct that original error.

From the archives: The 1988 Nullarbor UFO Mystery – Solved

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This article originally appeared in The Skeptic, Volume 3, Issue 5, from 1989.

In January 1988, reports of UFO sightings over Australia’s Nullarbor region were widely reported in the Australian media. The editor of the Star ‘newspaper’ judged the story to be of sufficient interest to merit front page treatment in its January 22 edition. On the request of Popular Astronomy editor Ian Ridpath, retired meteorologist A.T. Brunt conducted an investigation into the sightings. This is his report.

Quite a few unusual lights have been sighted over Australia’s Nullarbor Region, but none have received the notoriety of the two 1988 incidents. There are no towns of any size between Ceduna and Norseman or Kalgoorlie (Figure 1); most are railway sidings or road settlements of just a few people. Although the Eyre Highway runs closer to the coast than the Nullarbor Plain itself, the whole area has become known as the ‘Nullarbor’. Between Madura and Eucla, an area known locally as ‘The Basin’, there is a line of 100m hills to the north, but east of Eucla the highway is located on higher ground.

A black and white line drawing of a map of the Nullarbor region of southern Australia. Two Xs mark the location of incidents discussed in the article, close to Madura.
In the top right is a representation of the whole of Australia with the Nullarbor shaded in black in the lower left. Below this is a zoomed-in view showing the Transcontinental railway running east from Kalgoorlie and through Forrest, Hughes and Denman. Below this, the Eyre Highway runs east from Norseman (north of Esperance) through the coastal areas of Madura, Mundrabilla Roadhouse, Eucla and east through Ceduna. Marked by a thicker line is the Great Australian Bight (an ocean bay with high cliff coast) south of this. The scale shows 0-300kms and roughly down the centre is marked the SA/WA Border.
Figure 1: Location map: area of incidents marked X

It really is a perfect area for ‘UFO’ spotting. The dry, desert conditions give rise to decreased cloudiness, there are no city lights to distract the spotter, road and rail traffic is fairly sparse and the horizons are so flat and wide. There is an awesome splendour about the night skies there that has to be seen to be appreciated.

A line drawing of a shape like a flower bud with a scribble in the centre, above a wobbly line. Drawn by a driver who was travelling eastwards on the Eyre Highway, who was forced into evasive action due to seeing a bright light that 'jumped about a bit' and that was shaped like 'an egg in an eggcup and about 1 metre wide'
Figure 2

The first of the 1988 incidents occurred about 4:20 am Central Daylight Saving Time (CDST) on 20 January, when the Knowles family was travelling eastwards on the Eyre Highway. About 40km west of the Mundrabilla Roadhouse, they saw a light over the road ahead of them. At first they thought it was the light from a truck approaching them from the east, but the light became brighter and bigger, frightening them into taking evasive action. The driver of the car said that the light appeared and disappeared ‘after jumping about a bit.’ He described its shape ‘like an egg in an eggcup and about 1 metre wide’ and its colour as ‘bright and white with a yellow centre.’ His sketch of its shape was included in newspaper articles (figure 2).

There were other vehicles within 30 or 40km but the occupant of only one, a truck driven by Graham Henley, reported seeing any unusual light. He was driving east some distance ahead of the Knowles’ vehicle and said he saw a light that was ‘too high up to be another truck or vehicle’, it was ‘white and yellow in colour’ and it ‘disappeared and reappeared’. The crew of a tuna boat fishing in Bight waters ‘hundreds of kilometres away’ also saw a strange light on the same night and it was elongated in the vertical, but no direction or elevation of this light was reported.

The Knowles family claimed that their car was picked up by the ‘UFO’ and as it was dumped, a tyre burst. They also claimed that a black ash covered the car and that there were indentations on the car’s roof. They drove off at high speed and were obviously very distressed and somewhat hysterical when first interviewed.

Their vehicle was subjected to thorough inspections on several occasions by the Police and various UFO research groups in Australia, but none of these inspections showed anything unusual about the car. There was no black ash inside or outside the car; the only addition was a black deposit on the metal rims of the two front tyres, which was consistent with material from the brake linings. The rear right-hand tyre had burst in a normal manner, such as one would expect from a vehicle driven at high speed, leaving some rubber marks on the wheel arch. The dents on the roof were insignificant, and there was no proof that they were not there before the event. So there was nothing mysterious, only the unusual, egg-shaped white and yellow light they saw. The second incident occurred about 1 a.m. Central Standard Time on 17 October 1988 in roughly the same area. There seems no doubt that the first incident helped to precipitate the second. A bus, driven by Mr Peter Chapman with 25 passengers on board, was travelling westward along the Eyre Highway about 20km west of the Mundrabilla Roadhouse. The driver saw a light on the righthand (northern) side of the bus and woke five of the passengers who also saw the light.

Newspaper reports said that the driver was ‘terrified’ but he evidently wasn’t sufficiently terrified to waken the other 20 passengers sleeping in the bus. He didn’t stop to observe the light, which he described as ‘a bright white light which appeared to be hovering about 20m above ground and giving the impression that the light was moving. ‘ He also said that ‘the bright light followed the bus for about 10 miles as they travelled at high speed to escape.

One passenger said she saw the light in the driver’s mirror; she thought ‘it was a reflection of the headlights of a transport behind the coach.’ The highway tends slightly south of due west in this sector and, with comments like ‘on the right-hand side’ and ‘in the rear-view mirror’, it does seem that the most likely direction of the light was from the north-east. No unusual effects on the bus and no unusual marks were reported. Also, there were no comments on the shape of the light which the driver said was ‘not bright enough to illuminate the bus or the surroundings’.

Investigation of the weather conditions prevailing at the time of these incidents showed that each was characterised by fairly cloudless and calm conditions, although such conditions resulted from differing meteorological situations. In order to find a factor which might be common to both incidents, their salient features have been extracted and listed in Table 1 for comparison purposes. Apart from the fact that they both occurred on the Eyre Highway west of the Mundrabilla Roadhouse, there seems to be nothing which one could say was definitely common to both incidents.

Feature20 Jan 1988 sighting17 Oct 1988 sighting
Location  About 40km W of the Mundrabilla RoadhouseAbout 20km W of the Mundrabilla Roadhouse
Time of yearSummerSpring
Direction of travel of observersEastWest
Likely bearing of lightFrom eastFrom north west
Shape of lightVertically elongatedNot specified
Claimed physical effectsCar lifted, black ash, etcNone
Prevailing weather conditionsStrong high pressure area W of Perth. Very pronounced ridge of high pressure along the whole southern coastline of W.A., extending as far east as Ceduna. 0-2 eighths low cloud, very light windsHigh pressure area of the head of the Bight. Almost cloudless. 1-2 eighths high cloud. Very light winds, e.g., Forrest E 2 knots  
Upper air temperatureTemperature inversion at For- rest 3800 to 5300 ft approx 5°. Greatest increase in temperature near the top of the inversion layer. Stronger inversion in the ridge of high pressure along the coast, e.g., Esperance 8°CMarked temperature inversion. 1000-1400 ft, 8°C at Forrest. Greatest change of temperature near bottom of inversion layer    
Table 1 : Comparison of the 1988 incidents

That is, until the upper air temperature profiles are examined. In each case, the nearest temperature sounding (Forrest, about 1 00km to the south) showed a marked temperature inversion – that is, warmer air overlying colder air. These soundings are shown in Figures 3(a) and 3(b). Again, one can pick out differences in the two profiles, but the fact remains that on both occasions there were marked departures from the usual temperature decrease with height.

Figures 3a and 3b are two line graphs of Air temperature profile 7 am 20/01/88. On the Y axis is Height (thousands of feet) and X is unlabelled, starting at 0 and with an 8 after two half ticks or one major tick, with 7 major ticks in total.
The lines begin at 8 on X and 10 on Y then move down and to the right, with some switching back as they go.
Figures 3a and 3b

The meteorological situations are interesting. The surface weather chart for 6 am CDST 20 January 1988 (Figure 4) shows a pronounced ridge of high pressure extending along the whole of the southern coastline of Western Australia from a High centred well west of Perth. This is quite unusual for a summer chart. The ridge was over 1000km in length and, as ridges associated with subsiding air and increased stability, it is understandable that the Forrest inversion was not an isolated one. In fact, inversions were evident over the whole 1000km (plus) length of the ridge from Ceduna to the SW corner of Western Australia, but they were much stronger along the coastline; for example, at Esperence the inversion was 8° C.

Figure 4, a weather chart for 6 am CCST 20/1/88. The surface weather is shown by isobar lines on the black and white map. A Ridge of high pressure is noted, from a High point in the west, and a Trough to the right, moving north from the Low in the lower right. The High pressure ridge follows the coastline past Forrest and to Ceduna.
Figure 4: Weather chart for 6 am CDST 20/1/88

The surface chart for 3 am CST 17 October 1988 (Figure 5) is a little different. It shows a large high pressure area over the head of the Great Australian Bight, again with evidence for widespread inversions over the Bight area. All the evidence showed that the inversion at Forrest was representative of the area where the sighting took place.

Figure 5: a weather chart for 3 am CST 17/10/88 showing a large high pressure area over the head of the Great Australian Bight. The black and white map is marked with isobars
Figure 5: Weather chart for 3 am CST 17/10/88

The refractive properties of inversions have been described in many meteorological texts, but, in view of the general lack of knowledge about meteorological optics (even among scientists) it is appropriate to summarise what refraction does in the lower levels of the atmosphere.

We all know that light travels in straight lines provided the medium is homogeneous. For most of the time, the atmosphere acts as a homogeneous medium, but there are exceptions when sharp discontinuities in the vertical structure of the air cause aberrations in the straight line path. And one of the main discontinuities is a pronounced temperature inversion when there is a sharp density difference in the air above and below the inversion. This causes refraction and the path of light is bent downwards, giving the impression that the object is seen much higher than it really is.

For example, the wave fronts from a distant light source on the Earth’s surface will be quite regular until the upper part of the wave front passes through the inversion. Here the temperature is higher, the speed of light is fractionally greater, and this part of the wave front is speeded up. Such a distorted wave front (upper part speeded up, lower part retarded) may reach an observer in a suitable position and his eyes see an image (normal to the wave front) in a position which is well above where the surface light source actually is. Such an image is known as a superior mirage (see Figure 6).

Figure 6 - diagram of how a 'superior mirage' is created. On the left, a car is travelling to the right along the surface, below an inversion layer of air, itself below the higher, less dense air. The car's line of actual sight is drawn in a solid line, but when it passes through the inversion layer, the perceived sight continues straight on the diagonal trajectory (shown by a dotted line, which connects with the superior mirage, a bright light in the sky). Following the solid sight line, there's a truck coming from the right, whose lights are creating the mirage as it drives up a hill ahead of the car, coming towards it.

The Glossary of Meteorology defines a mirage as ‘a refraction phenomenon wherein an image of some object is made to appear displaced from its true position.’ The key word is ‘displaced’, but it is important to realise that distortions of shape, colour, size and intensity also occur. These distortions obviously make identification of the object more difficult.

Even under the most steady meteorological conditions with a simple temperature profile, when it is possible to see a good identifiable mirage for many minutes, it should be stressed that the air is moving and the path taken by the light reaching the observer’s eyes is subject to changing meteorological conditions. When the temperature profile is more complex, multiple images may appear, some in grossly distorted forms with unusual colouring. Some of the distorted forms can fool even those quite used to the characteristics of refracted images.

When either the observer or the object is in motion, the images can appear and disappear quite rapidly or they can seem to perform rapid gyrations creating the illusion of extraordinary spacecraft. In addition, interference between incident and refracted rays can produce complicated mirages whilst focussing of the rays can ‘cause bright and dazzling images which jump about or even disappear at the slightest movement.’

When an inversion is horizontally extensive, such as in a long ridge of high pressure, it is possible for light rays to be bent several times following the shape of the earth’s surface, in much the same way that radar ducting takes place. When there is a wide horizon and an extensive inversion, it is possible to see the mirage of a light which may be 100-150km away. The light is usually on the earth’s surface but the refracted image (often distorted) can appear as a light at low elevations in the sky.

It is important to remember that the atmosphere can act as a lens under refractive conditions and the size and intensity of images can be magnified many times. The magnification can be so great that large objects, like mountains or islands have be ‘seen’ at sea over verified distances of up to 1000km (The Marine Observer, 1981). Each instance of long-distance mirages is associated with a pronounced and widespread inversion, such as those found in long ridges of high pressure.

Some of the best examples of refracted lights in Australia would be the ‘Min-Min Lights’ of Queensland. Invariably, there is never a sound or any physical trace when these ghostly lights are seen bobbing up and down above the treetops. In each case, there is ample evidence for a marked inversion and the direction of the ghostly light fits in with the direction of a distant stretch of highway, sometimes 100-150km away. The brighter lights come from truck spotlights at high beam (used to avoid kangaroos and wandering stock), but Min-Min lights have been known to be caused by distant cars. These bizarre lights in the sky are never seen on windy nights, or cloudy nights, only on the occasions when it is fairly calm and clear, the atmosphere being stable enough for inversions to occur.

And the Nullarbor lights are the same. You will never see them on windy or cloudy nights. On clear, calm nights passengers waiting at sidings on the long, straight transcontinental railway line have reported seeing the light of an approaching train for at least an hour before it actually arrived. At the normal train speed of 110 km per hour, people must be able to see the headlight of a train which would be at least 110km away at the time. It first appears as a light in the sky and only in the last 10 to 15 minutes does it ‘come to earth’, as it were. Australian National Railways advise that, at high beam, these lights are of approximately 2000 candle power; no wonder their refracted lights can be seen at such great distances over the flat Nullarbor. The Brown Mountain UFOs (Klass 1974) are good examples of refracted lights from American trains, but in much more irregular country.

The very scattered road traffic over the Nullarbor must also generate mirage-like lights in the sky, particularly some of the interstate trucks which are specially equipped for night travel. Campers on the Nullarbor report strange lights at times, some of which could perhaps be attributed to activities at the Woomera rocket range. It is interesting that one of ·Australia’s best hoaxers, the Nullarbor Nymph (Geniece Brooker Scott) spent many nights posing as a wild girl living with kangaroos and confirmed that she has seen lights in the sky; she said ‘they could be meteorites or satellites-or something else!’

To return to the 1988 incidents. The unusual lights seen on both occasions were obviously refracted images of distant light sources, because both occasions were associated with pronounced temperature inversions. If additional confirmation is needed, the light seen on 20 January 1988 ‘jumped about a bit’ typical of refraction focussing and was elongated in the vertical, which fits the towering type of distortion one would expect from the inversion shape on that particular night. The inversion on 17 October 1988 should have given rise to a squat (horizontally elongated) image, but Mr Chapman did not specify its shape.

It is one thing to be confident about refraction causing an image in the sky, but quite another to find out what actually caused the light which was refracted. So much depends on the attitude of the light source and the height and strength of the inversion that it is difficult to specify what distance would result in the type of focussing necessary to produce a bright and dazzling image.

Let us consider the observed facts on both occasions. The Knowles family on 20 January saw the light to the east which they ‘first thought was a truck approaching from the east’. There were no bright astronomical bodies in that direction and the sun was 29° below the horizon; besides, its azimuth was 145°. There were, however, several vehicles, both eastbound and westbound on that section of the Eyre Highway at the time (Basterfield and Brooke, 1988). Although some of the other drivers reported no unusual lights, it should be remembered that this is typical of refracted lights.

It is difficult to determine which vehicle was in the correct position to permit focussing of the refracted light and cause a ‘bright and dazzling image’, but one cannot rule out a westbound vehicle descending into Eucla (100km to the east) because of its elevated position. A vehicle at that distance would not have been considered to be part of the incident.

This leads to the conclusion that the first impressions of the Knowles family were correct, ie, that it was indeed ‘a truck approaching from the east’. It was the distorted image of its headlights which was so frightening and bizarre. All the other things that happened to their vehicle were either of their own doing or their own imagination whilst in a state of fright, as none of their claims in this regard were substantiated by inspections of the vehicle.

The vertically elongated image observed by the crew of the tuna boat on the same night would obviously have been from a different light source. Nevertheless, the tuna boat was still near the ridge of high pressure and the same widespread inversion would have covered its position. So they too would have observed a refracted light in the sky but, without any direction indicators, it would be impossible to say what the light source was. The most obvious choice is another ship.

In the second incident, the light appeared to be ‘hovering about 20m above the ground’ and ‘on the right-hand side of the bus’, the most likely direction being from the north east. Basterfield (1988) identified the light source as being the planet Jupiter and indeed its position (azimuth 040°, elevation 26°) seems correct, especially as the observation was made over a line of low hills and the sky was almost cloudless. There is no doubt that refraction in the inversion layer would have changed this normally bright light into a distorted and enlarged image. In addition, it was recorded that the driver and passengers were aware that they were almost exactly in the area of the first incident nine months earlier and they certainly would have been looking for lights.

It is interesting that Australian National Railways advised that there was a westbound goods train between Denman and Hughes, approaching the WA/SA border at the precise time and date. The bearing of this light was 040° from the sighting position but the distance (170km) puts it slightly out or range, especially in view of the line of 100m hills between the headlight of the train and the observer. Nevertheless, mirages have been observed over that distance. In view of the fact that the bus driver and the passengers saw only one light, it must have been the planet Jupiter. They would not be the first to call planets ‘UFOs’; this is quite easily done when refraction distorts their normal shape and intensity.

So, if anyone is looking for UFOs (strange lights) they should certainly try the wide open spaces of the Nullarbor. But stay near the highway as this is the best producer of unusual lights. Never choose windy nights or cloudy nights; it is necessary to have the faintly calm, clear nights which are indicative of inversion conditions when refraction occurs. Best of all, choose a night when the high pressure centre is near you or a long ridge of high pressure extends over you. Even though there is a roadside sign near the WA/SA border warning travellers to beware of UFOs, it is hoped that you will be better informed. There are quite a few occasions each year when pronounced inversions cover the area, so be on the look-out for them. However, the type of refraction focussing such as the Knowles family experienced is much rarer; the light source has to be at the right focal length and the height and length of the inversion have to be just right for a large dazzling image to appear.

If you see a strange light, stop, note the time and take rough bearings of the direction and elevation whilst watching its movement, reporting this to the nearest police. There is no need to be alarmed or to panic like the Knowles family; no-one has ever been hurt by such lights. Rest assured, we are not being invaded by extra-terrestrial beings from wherever-the unusual lights are naturally occurring refraction phenomena. Many of the ‘UFO’ interpretations seem to come from people who ignore the known wonders of our atmosphere; they seem to be unaware that science fact is much more wonderful than ‘UFO’ fiction.

References

  • Basterfield, K. & Brooke, R., The Mundrabilla Incident – January 20th 1988, UFO Research Aust. Newsletter, April 1 988.
  • Basterfield, K., The Mundrabilla. ‘UFO’ of October 17th 1988, UFO Research Australia., 1988.
  • Corliss, W. R., Handbook of unusual natural phenomena, Sourcebook Project, USA, 1 977.
  • Humphries, W.T., Physics of the Air, McGraw-Hill Book Co., London, 1929.
  • Klass, P. J., UFOs Explained, Random House, New York, 1976.
  • Sheaffer, R.S., The UFO verdict, Prometheus Books, Buffalo, 1981.
  • The Marine Observer, Vol. 61, No. 1 ,232, April 1971.
  • Viezee, W., ‘Optical Mirage’, extract from Scientific study of UFOs, Condon, E., Bantam Books, 1969.

IQ tests continue to flourish, in spite of inherent biases, because we so badly want to feel special

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This article originally appeared in The Skeptic, Volume 3, Issue 5, from 1989.

Mensa hit the news in August when they launched a search for Britain’s 1,000 brightest children in the Sunday Times. Later, they admitted this was a ‘stunt’ to attract media attention. They may have gotten more than they wanted: on 14 August the Independent reported that educational psychologists said the tests Mensa was administering were “culturally biased towards white, middle-class children” and pointed out that “the test assumes that intelligence is based on the ability to read, write, spell, and do arithmetic. Einstein and Leonardo da Vinci, two of the greatest brains to ever have lived, both suffered from dyslexia.”

This is neither the first time Mensa has searched for so-called ‘gifted’ children, nor the first time IQ tests have been criticized. And yet, we continue to believe, paranoiacally, in IQ test scores, and a society based on them continues to exist. This is not sour grapes on my part: I was trawled in just such a child-testing exercise when I was 14. This is, by the way, a matter of deep embarrassment on my part, so I do hope you won’t tell anyone…

Same routine: Mensa supplied a test to be taken at home, supervised by parents. Those who passed went on to some sort of central testing place where the tests were supervised by Mensa’s flunkies. It’s hard to see why people think testing at home encourages cheating. Since you have to take a supervised test afterwards, where would cheating get you? Certainly in my parents’ house these things were taken very seriously, and no trickery went on. I found the test ridiculously easy, and was sent on for the supervised tests.

I remember my mother posted my final score and my letter of acceptance from Mensa on the refrigerator, proudly. I was enrolled, and I began getting Mensa newsletters. I think I went to one meeting. It was all adults: Mensa had no idea what to do with the 14-year-olds they had recruited. When I was 17, a new friend said rather forcibly that the idea of Mensa was snobbish and, worse at that time, ‘straight’. I resigned, over my father’s protests: “I like reading the newsletters!” I told him he should join himself. I guess he thought he wouldn’t qualify even though he always used to say, “you got it from somewhere, you know.”

View of a test paper with someone's hand writing on it - a white student holds a red and black pencil in their right hand and is writing on the test paper on a cream-coloured desk
A student taking a test writes their answers with a pencil

People talk in the British press about the damage that being labelled ‘not clever’ could cause. I had the opposite problem: I was an ‘underachiever’. I could think quickly and score well on standardized tests, so why wasn’t I an ‘A’ student? My IQ test scores pursued me like an animated yardstick in a cartoon. Of course, the school would never tell me what they were. I’m not sure why, but I gather asking what your own IQ score is, is about like asking someone else what their age or income is. I guess they figure, if you know, you might tell someone. Such is the power of the IQ score.

Mensa should acquire two books for its library: Stephen Jay Gould’s The Mismeasure of Man and David Owen’s None of the Above: Behind the Myth of Scholastic Aptitude. Both are classics of critical thinking about the science of intelligence. Both call into question some of the basic assumptions we make about intelligence, aptitude, and education.

Gould’s book traces the history of science’s attempts to measure intelligence, from measuring skulls, to weighing brains, to test scores. Over and over, white, middle-class male scientists found that white, middle-class male brains were biggest, strongest, quickest. And regularly, a little while later, along came someone else who proved that their work was faulty, biased, and sometimes even fraudulent.

Into the fray came Binet, the grandfather of IQ testing. His assignment was to devise a test which would identify children with learning disabilities so they could be helped. That was all. He specifically said, according to Gould:

The scale, properly speaking, does not permit the measure of intelligence, because intellectual qualities are not superposable, and therefore cannot be measured as linear surfaces are measured.

Gould, p. 151

Binet foresaw the potential difficulties for children if his system were used to rank them, as it is now. He worried about self-fulfilling prophecies:

It is really too easy to discover signs of backwardness in an individual when one is forewarned.

Binet refused to label the results of his tests as inborn intelligence. His successors in America, however, seized on mass intelligence testing as a way of life, and abused the results in exactly the ways Binet had foreseen. And a few he had not: the results of the first mass intelligence tests, conducted by the US Army in World War I, were used as evidence in favour of limiting immigration in 1924 Congressional debates.

David Owen’s book concentrates on a later outgrowth: the SATs. These ‘Scholastic Aptitude Tests’ are taken by all American teenagers who want to go to college. The idea behind them sounds all right: America is huge, State curricula differ, and colleges need some way of comparing the many applicants from different areas and different schools. So far, so good.

Owen, however, shows – often hilariously – that what the SATs really test is your ability to think like the people who designed the test. He explains how the questions work, how to identify the correct answers without doing the arithmetic, and even gives a short course in how to answer questions about the content of the provided paragraphs without actually reading them.

The SATs are administered by the Educational Testing Service in Princeton, NJ. Most students assume a connection with Princeton University; there is none. The ETS is an independent, secretive organization which has parlayed tests into a fortune (tax-free) and which administers more tests every year.

ETS now supplies tests for licensing teachers, hairdressers, golfers, among many others, and for admitting graduate students, law students, and medical students. It’s quite an empire. ETS reacts a bit like the British government when challenged: they claim superior knowledge, refuse to give information, and lose inquiries in red tape. They also accuse critics of wanting to destroy the fabric of society. A bit excessive, perhaps.

Fortunately, America has a legal system which allows challenges even to its major institutions. Recently, a court ruled that New York State’s use of SAT scores to award state scholarships discriminates against girls. This was the first time a court has ever confirmed the SATs sex bias. Result: New York State is designing a new test. Oh, well…

The criticisms these books raise are biting, legitimate, and undoubtedly right on the money. And yet… it’s very hard to shake the nervous feeling that there must be something in it: it’s so accepted. What would I rather believe? That I think exactly like the unoriginal, conservative, middle-class white men who design the tests? Or that I really am smarter than 99% of the rest of the population?

When I was a kid, I had a button which was an advertising gimmick for General Electric: “Be nice to me, I’m going to be a GEnius someday.” I guess I’m still working on it.

From the archives: The many traditions of Christmas that are now lost to history

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This article originally appeared in The Skeptic, Volume 3, Issue 5, from 1989.

Of all the traditional festivals we celebrate each year, Christmas is one of the richest in terms of its customs. It is a time for rituals â€“ some relatively modern, like Christmas Cards and Christmas Trees, and some exceedingly ancient, such as exchanging gifts and hanging decorations. There’s the build up to Christmas (“how many shopping days is it now?!”), and then there’s the aftermath. Christmas is one of the most important events in the year, and almost everyone will, to some extent, have some part to play in its customs.

The origins of our modern Christmas are ancient: in antiquity the winter solstice was celebrated on the 25th day of December, as the ‘Birthday of the Unconquered Sun’. This midwinter festival was a joyous time marked by festal fires to celebrate the slow departure of Winter, and to usher in fertility and good fortune. It was only around the beginning of the 4th Century that Christianity assigned the Nativity of Christ to the date of the existing pagan festival. The revamped festival soon absorbed influences from other sources, including those of the Germanic midwinter feast of ‘Yule’. By the 11th Century ‘Christ’s Mass’ had solidified into an uneven fusion of the Christian Nativity with Yule, Roman and pagan customs.

Many of these traditional elements were condemned as superstitious by the Protestant Reformation. Today, recognisable pieces of pagan ritual still remain: the mumming plays, with their pre-Christian themes of death and resurrection; sword dancing and wassailing.

One pagan practice that has nearly died out is the wearing of animal disguises at the Winter festival. In this country the custom lives on in the ‘Mari Lwyd’ Hobby Horse of Llangynwyd, with its hinged snapping jaws and bottle-glass eyes. Mari Lwyd visits the houses of the village wassailing – drinking toasts and singing the health of everyone on the route.

A Mari Lwyd 
Creator: R. Fiend 
Copyright: © Mari Lwyd, R. Fiend via Wikicommons CC BY-SA 3.0
A Mari Lwyd horse skull from Wales, a horse skull on a pole with bells and ribbons and a white sheet. Creator: R. Fiend, via Wikicommons CC BY-SA 3.0

Memories of the ancient Fire Festivals live on with the Yule log. One Christmas Eve tradition, now sadly in decline, was to carry the new Yule log into the house and set it alight with the remnants of the previous year’s; it was commonly believed that to burn the log for twelve hours or more would ensure that the following year would be free of misfortune, and that the charred remains of the Yule log could preserve the house from fire, storms and lightning.

Another custom with extremely ancient origins is the decoration of buildings with greenery during the Christmas period. Today we buy our Christmas decorations man-made, pre-cut and shrink-wrapped; but whatever their form, evergreens such as holly, ivy and mistletoe have long been symbols of life and fertility, and their presence at midwinter festivals serves to ensure that life will return again.

The Church has found a convenient context for these fundamental beliefs: the berries of the holly symbolise the blood of Christ, and its prickles His Crown of Thorns. Mistletoe, however, occupies a special place. It has long had sacred and magical associations (it was the Golden Bough of classical legend) and to the Church it remains thoroughly pagan – by tradition it is never allowed to hang in a place of worship. For a long time mistletoe was the centrepiece of the ‘Kissing-Bough’, a large garland of greenery and ornaments which was hung from the ceiling of the main living-room.

Surprisingly, the Christmas tree is a relatively new tradition; originally of German origin, it spread to America in the 18th century, before coming to England, it is thought, in the early 1800’s. Queen Victoria and Prince Albert had their first tree in 1841, and its popularity soon spread.

Most areas have their own local Christmas customs; an interesting example is ‘Tolling the Devil’s Knell’, which takes place every Christmas Eve at All Saints’ Church in Dewsbury, West Yorkshire. The tenor bell sounds a stroke for every year since Christ’s Nativity – with the final stroke coinciding exactly with the first chime of midnight. Christ is born and Satan is dead – but every year the Devil tries to reappear, and one extra chime must be sounded to banish him, or he will return to plague the parish for the next twelve months.

But for all its fascination, Christmas is still a time better experienced than discussed. As an old Cornish Christmas Wassailers’ song has it:

            Ask not the reason, from where it did spring;
            For you know very well, it’s an old ancient thing

I hope you enjoy your customs this year – whatever they are – and a very Happy Christmas to you all!

Folklore and rituals say so much about society, even if the superstition behind them isn’t true

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This article originally appeared in The Skeptic, Volume 3, Issue 5, from 1989.

“If you’re so skeptical…” a colleague said to me the other day. I wondered what I’d said, what sort of hole I’d dug for myself, what incriminating evidence I was about to face. “If you’re so skeptical, why do you believe in all that folklore rubbish? People dancing round maypoles, wearing antlers, dressing wells with flowers and bearing rushes? What’s it supposed to achieve? Good luck? Prosperity? A fruitful harvest? In this day and age, it’s ridiculous. Why don’t you and your lot tell them it’s all rubbish?”

“Me and my lot”? I felt like a hit-man in some sort of skeptical Mafia. But did she have a point? In one sense, I think she did. For instance, I cannot honestly believe that the locals in the Helston Furry Dance in Cornwall are really driving out the darkness of Winter and welcoming in the luck of Summer. Nor can I believe that the bizarre South Queensferry Burryman – covered from head to toe with sticky thistle burrs – keeps the town in good fortune as long as his annual Parade is observed. And I cannot believe that whoever draws the Cream of the Well – the first water – on New Year’s morning will be certain of good luck in the coming year.

Two men in uniform flank a central 'Burry Man', a Scottish traditional dress in which a man is covered in burrs, hat covered in flowers and a sash made of a folded Royal Standard of Scotland, showing the red dragon on a yellow background. He holds two  waist-high poles decorated withh leaves and flowers (to support himself as he walks). Image by Michael Mabbott.
John Nicol, South Queensferry’s current Burry Man, takes a rest in full regalia supported by his two attendants (2007). Credit: Michael Mabbott. Source: Wikimedia Commons, Creative Commons Attribution-Share Alike 3.0 Unported.

Having said this, why, last New Year, was I the First Foot â€“ the dark-haired man standing in the cold outside the front door at a minute to midnight, with a penny in my pocket, a lump of coal in one hand and a piece of bread in the other? If I don’t believe and if, as I suspect, many others who take part in customs don’t believe, why do we all do it?

The answer, of course, is that there is far more to ritual than a claimed supernatural result. Rituals in themselves cannot affect the material universe, but they can have great importance and meaning for individuals, and for society.

So can we believe and not believe, at the same time? Bergen Evans, in his classic book The Natural History of Nonsense says that “we function on a dozen different levels of intelligence”. He is surely correct, but – call me a traitor if you will – I find his relentless cut-and-dried exposure of human error and stupidity wearisome. Naturally I don’t think that birds choose their mates on St Valentine’s day, but it’s such a lovely idea…

Coincidentally, the previous evening I had watched The Wicker Man, an obscure (but now cult) film from the early seventies. In it, Neil Howie (Edward Woodward) is a devoutly religious Presbyterian police sergeant and lay preacher who has been called to a remote Scottish island – Summerisle – to investigate the disappearance of a young local girl. In fact, there is no missing girl; Sergeant Howie has been chosen for his special qualities and lured to Summerisle for a quite different reason. The island’s fruit and crops have failed, and one more failure would mean disaster for the island.

According to the tradition of the island, a sort of folky druidic mish-mash served up by Lord Summerisle – Christopher Lee at his full height – there is only one solution: to appease the Goddess of the Sun and the Orchards with the dreadful sacrifice of a true Christian believer. Sergeant Howie is imprisoned in a huge wickerwork pyre in the shape of man, and burns to a martyr’s death.

It’s a good yarn, with the subtle twist that you’re never quite sure whether Lord Summerisle really believes in what he’s doing. Is the ‘religion’, with all its traditional elements of hobby-horse, fool and teaser, a religion at all? Is it genuine folk-memory, of the kind – albeit free of sacrifice – that survives to this day around the country? Or is it all a cynical manipulation by Lord Summerisle?

It is interesting to consider the question of why we sometimes accept and do things which – if we try to intellectualise – appear hard to justify. However you care to explain it, the fact is that ordinary people do get up to extraordinary things.

From the archives: Perpetuum mobile – the fruitless search for perpetual motion

This article originally appeared in The Skeptic, Volume 3, Issue 3, from 1989.

The promise of a machine which runs forever, a perpetual motion machine, is irresistible. Perpetual motion was a hot topic in the last century, because the age of the engineer was at its height and the demand for new energy sources great. It is no coincidence that the science involved was worked out at this time; yet even today, over a century later, people continue to propose machines which don’t work.

The reason for the enduring popularity of perpetual motion is of course the dream of conjuring energy from nothing. Were this feasible, all coal-fired power stations, with their carbon dioxide and sulphurous emissions, could be closed; likewise, nuclear fission power plants, with their radioactive waste; and the need to disfigure the landscape with arrays of solar cells or windmills would vanish. The enormous sums spent on energy research could be redeployed, and cheap energy made readily available to developing countries. The inventor of a free energy source would be feted throughout the world.

Perpetual motion proposals are of two types, and the distinction is crucial. A Perpetual motion machine of the first kind actually creates energy. Some of this is inevitably rendered inaccessible through friction losses in bearings, or air drag on moving parts, or the like; but the rest is available to the world as free energy. By contrast, a perpetual motion machine of the second kind neither creates nor destroys energy. It runs forever by completely eliminating friction in the bearings, air drag, and such; but any attempt to extract energy from it causes it to slow down.

These two types of machine respectively contravene the first and second laws of thermodynamics. The first law states that energy is conserved, and the second that entropy increases. More on these in a moment.

Most publicity attaches to perpetual motion proposals of the first kind. Their proponents generally agree with scientists as to the laws of force and torque operating within their machines. The law of force was first elucidated by Isaac Newton three centuries ago, and states that Force=Mass x Acceleration. Similarly, angular acceleration is proportional to the applied torque.

Once it is accepted that undisturbed motion is a body’s natural state, that it alters its velocity (i.e., accelerates) only when a force is acting on it, and that slowing down is not the natural state but the result of frictional forces, the path to Newton’s laws is easy and intuitive. It nevertheless took a genius of Newton’s magnitude to overthrow the Aristotelian model of space and time.

But, crucially, the same people do not accept that the force and torque laws also imply conservation of energy. This makes good sense: no force, no velocity change, no energy change. But in a complicated machine the same principle is one step further removed from the forces and torques which people can feel, and is often beyond untutored intuition. I am told, with a don’t-blind-me-with-science look, ‘Maybe, but what is wrong with my machine?’ Perpetual motion advocates, having once got into a physicist’s office, are reluctant to leave until a lengthy impasse is reached.

One catch occurs so often it is worth singling out. Perpetual motion machines, in common with many others, a.re almost invariably cyclic; after sufficient operation, called a cycle, the machine returns to its initial configuration. A wheel making one complete turn is the simplest example. (Cyclicity is a matter of convenience, since a non-cyclic machine would be difficult to exploit.) In evaluating cyclic machines, it is essential to consider the energy balance over a complete cycle. Cyclic machines with an obvious acceleration mechanism in one part of the cycle, but a subtle deceleration process in another, are particular favourites.

Even more subtle are those machines which interchange energy between its various forms: motion, heat, latent heat of evaporation (the ‘drinking bird’, a popular toy), electromagnetism, and so on. Some of the subtleties are quite ingenious, but if physics is operating as it has been understood for three centuries, the catch is inevitably there somewhere.

Perpetual motion machines of the second kind, though less commercially attractive, are no less interesting. Moreover, they exist! From Newton’s laws it follows that an isolated system in motion, with no forces or torques acting on it, exhibits precisely perpetual motion of the second kind. How can this be reconciled with the running down of a top due to the friction at its tip? The answer is that the energy has not been destroyed, but converted into heat at the tip. Since heat is motional energy of the atoms in the tip, we could still see continuing motion if our eyesight were good enough. The motion is therefore perpetual, though on an atomic scale rather than an everyday one. We say the energy of the top has degraded into heat, and this process translates into physics through the second law of thermodynamics. It is a consequence of our inability to see things on the atomic scale, rather than a fundamental property of nature like the first law.

A further subatomic example of the second kind is electrons orbiting the atomic nucleus. Obviously, there is no air resistance! Because of the peculiarities of the quantum theory of atomic processes, we can no longer picture the process simply. Nevertheless, the criterion for perpetual motion of the second kind is still satisfied: verifiable predictions are not altered unless the system is disturbed. In other words, the electron does not ‘run down’. Energy conservation still holds good in quantum mechanics.

A large-scale example is the earth orbiting the sun. Meteorite strikes and other external influences, which affect the motion, are separate issues. Clearly perpetual motion of the second kind is common on celestial and atomic scales, but rare on Earth. However, we now know how to set up a simple quantum state as large as we like. The secret is to cool the system sufficiently near to absolute zero. The most famous example is superconductivity, currently in vogue, in which an electric current circulates in a wire loop with zero resistance, needing no battery to drive it. Although the current itself is still invisible, its effects are observable. Another example is superfluidity, in which a liquid flows up the inside of a tube immersed in it, and back down the outside, indefinitely.

How do these systems beat the second law? This law is ultimately only probabilistic reasoning, used in the absence of detailed information about each atom. Since we normally ask questions only about large-scale quantities, the enormous number of atoms being averaged over guarantees our answers accurate with almost total certainty. (Entropy relates to the amount of information needed to specify the system at the atomic level.) In the examples just given, we are dealing not with millions of particles, but with one electron, one planet, one known quantum state. Our reasoning then is exact; the second law is a different form of reasoning used in different circumstances. Proposals which violate the second law, all ultimately equivalent to impossible heat engines, tend to be more subtle than proposals of the first kind.

Finally, for theory, conservation of energy still holds in Einstein’s theory of relativity, provided that mass m is seen as a further form of energy E, related by the famous equation E = mc2 where c is the speed of light. Because this is so large, mass is a very concentrated form of energy: we can do 300 million times better by converting the mass of a tank of petrol than by burning it! The complexity of nuclear reactors indicates the difficulty of transforming mass into accessible energy. But if, conversely, we invest energy in making antimatter, we have the perfect fuel, for antimatter spontaneously converts to readily accessible energy when mixed with matter. Just one tenth of a gram of antimatter, safely confined, would propel a car for life!

We now turn to the entertaining history of perpetual ‘motion. Arthur Ord-Hume’s book, Perpetual Motion: the History of an Obsession (Allen & Unwin, 1977), gives a modern survey.

Today it is difficult to imagine a time when energy conservation was not firmly established, and the equivalence of different forms of energy, particularly heat, was fiercely debated. Yet that was the situation up to the middle of the last century; and earlier still, before Mayer, Joule and Helmholtz settled the first law, and Carnot and Clausius the second, perpetual motion proponents should be judged by their own times.

A Sanskrit manuscript from the first half of the fifth century refers to a wheel, free to rotate about a horizontal axis, with sealed holes drilled in radially from the circumference, part filled with mercury. Once started. the wheel was supposed to maintain its rotation. Presumably its inventor fell for the ‘cyclic’ fallacy, believing that the extra moment, due to the mercury on the descending side of the wheel moving under centrifugal force to the circumferential end of the tube, provides sufficient impetus to keep the whole thing going.

This is the earliest known coherent suggestion for perpetual motion. It is also the prototype of many proposed in Europe, in which weights attached to the circumference of the wheel dispose themselves further from the axis on the descending side of the wheel than the ascending.

Some of these were marvellously intricate, and the Marquis of Worcester; who is believed to have constructed the first practical steam engine, claimed success for one in 1655. (‘Worcester’s biographer, Henry Dircks, published in 1861 a comprehensive survey of the preceding three centuries of perpetual motion.)

This was pre-dated by the Italian philosopher Zimara, who in 1518 proposed a crank (inoperable, incidentally) for linking a windmill to a set of bellows aimed at it. Interconversion between forms of energy, here wind and mechanical energy, is a characteristic concept of perpetual motion. Perpetual motion was eminently respectable during the Renaissance: contemporary with Zimara, Leonardo da Vinci was involved in drafting sketches for six designs. By far the most common proposals concerned self-propelling water wheel. The water mill was the dominant mechanical device in Europe; what could be more natural than to harness its power to raise the water once more. The aptly named Robert Fludd ‘1574-1637), an English physician, and Georg Bockler, of Nurnberg, were two leading visionaries of this kind. It mattered little that John Wilkins, Cromwell’s brother-in-law and later Bishop of Chester, tested a similar scheme unsuccessfully during the Civil War, and pronounced his scepticism in 1648. Perpetual motion was in the air of the time. Wilkins, in fact, continued to be fascinate by perpetual motion to the end of his life.

The decline of a great many superstitions in the Age of Reason left perpetual motion untouched, for it could still be phrased as a scientific hypothesis. Indeed, proposals proliferated from the 1720’s onwards. The 18th century also saw the first clock to be powered by changes in atmospheric pressure, giving an illusion of perpetual motion, by the London clockmaker James Cox. It now rests in the Victoria & Albert Museum.

In the last century, while the laws of thermodynamics were being established, the harnessing of electromagnetism led to a new series of proposals. These all essentially coupled motors back to generators. In fact, the earliest coherent magnetic proposal goes far as back as 1570, when a Jesuit priest suggested that an iron ball, rolling down a ramp under gravity, could be drawn back along a different path by a magnet. We now know that any magnet strong enough to do this would keep the ball from rolling in the first place.

The combination, last century, of the mechanic explosion and popular ignorance led to exploitation and fraud. E.P. Willis, a machinist of Connecticut, charged admission to view an asymmetrical-wheel machine, which he set up in New Haven and subsequently New York. It was maintained in a glass case and was actually powered by compressed air passed up a strut and over one of the gears. Willis simply challenged viewers to state hew the machine could run, rather than claim perpetual motion.

No such constraints attached to Charles Redheffer, who in 1812 set up a machine in Philadelphia which ran unceasingly. Needless to say, viewing was not free of charge. A team of experts sent to examine it in connection with Redheffer’s application for funding detected that the wear on two connected gears was on the wrong side, and were satisfied that fraud was involved. They did not detect its nature, but instead built a similar machine with concealed clockwork, and a winder disguised as an ornamental knob. Redheffer privately offered its owner, Sellers, a large sum to reveal his secret. Instead, Sellers denounced Redheffer. Worse was to come in New York, where Redheffer, undaunted, built a further machine. The submarine pioneer, Robert Fulton, recognised its uneven speed through one cycle as characteristic of a crank (appropriately), and denounced it on the spot. He then dismantled a suspicious-looking support strut to reveal a catgut-belted drive, run by a man turning a wheel in a nearby room. The crowd, which had paid $5 a man, then a large sum (ladies free, for some reason) demolished the remainder, and Redheffer fled.

Perhaps the finest fraud was perpetrated by John Keely, again of Philadelphia, In 1875 he unveiled a complicated variant on the steam engine, into which he would blow for half a minute and then pour in five gallons of water. After a whizzbang show of manipulating various valves and taps, he would then announce that the apparatus was charged with a mysterious vapour, at a pressure of 10,000 pounds to the square inch. Keely claimed that the power source was the disintegration of water. Latterday enthusiasts prefer, like Keely, to tap new forms of energy, rather than deny its conservation. This is theoretically possible but it is highly unlikely that easily exploitable new forms will be found.

The main reason for Keely’s success—he raised over a million dollars to set up the Keely Motor Company—was showmanship. Keely was an imposing figure with an air of honesty, who was given to baffling the uninitiated with phrases like ‘hydropneumatic pulsating vacu engine’, ‘sympathetic equilibrium’, and ‘quadruple negative harmonics’. Such pseudoscientific terms are often used by today’s charlatans; plus ca change! With men of science Keely was more guarded, and took pains to ensure none cot examine his machines closely.

In the 1880’s the Keely Motor Company, discouraged by his failure to produce a commercial motor, cut off his funding. He found an alternative source in a wealthy widow, and promptly unveiled a new idea: vibrating energy in the aether, which underlay the disintegration of water. The Motor Company sued him for reimbursement, but he claimed his latest idea was unrelated to earlier ones and refused to pay. After a spell in prison, he succeeded in satisfying the courts of this. Keely was forced to tread warily when his benefactress attempted to have leading scientific figures validate his device. Testa and Edison declined, but a visit in 1805 led the engineers involved to suspect compressed air sources. They were right. After Keely’s death three years later, the son of one of his backers promptly rented the house, and found it was comprehensively ‘wired’ to a three-ton air tank in the basement.

The first patent on a perpetual motion proposal was granted in Britain in 1635. only twelve years after patenting was introduced. By 1775, the Parisian Academy of Sciences was refusing to accept schemes. Since this was long before the establishment of energy conservation, the gentlemen of Paris can only have been disillusioned by the repeated failure of all such devices in practice. Nearly a hundred years later, the US Patent Office decreed that a working model should be submitted within one year of the initial application; but enthusiasts still gummed up the works, and finally, in 1911, a working model was demanded from the start.

This rule has, inevitably, been challenged in the courts within the last decade, with inventor Howard Johnson finally winning US patent 4151431 on his `magnetic motor’. Nevertheless, the world hardly waits with bated breath. The current furore over Joseph ‘Newman’s motor, which supposedly taps into hitherto unknown gyroscopic fields associated with sub-atomic particles, further demonstrates that perpetual motion will never die away entirely. (Present-day physics successfully predicts the spin properties of elementary particles to a staggering one part in a hundred million, which is as far as experiments have gone.) However, Newman’s device runs, it has proved subtle enough to confound several scientists. The story of perpetual motion exemplifies the entire human endeavour: an upward crawl to enlightenment, with theory and practice advancing side by side; momentous discoveries by pioneers, which become the bedrock on which the next advances are built; gradual diffusion of the new ideas into general awareness; and ever the self-deluded, and the charlatans preying on ignorance.

The story has been presented here as a case history rather than a warning, but if any lesson is to be drawn it is that the best insurance against nonsense is a scientifically educated public. It is faintly credible that the US Navy came close to backing one machine in 1881; but astounding that less than four years ago a jury acquitted a perpetual motionist of fraudulently raising $685,000, because (the attorney later found) it believed perpetual motion and energy creation possible. The sooner that cannot happen, anywhere, the better.