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Unweaving the Rainbow

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Title: Unweaving the Rainbow  
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Subject: Richard Dawkins, Break the Science Barrier, Climbing Mount Improbable, Lamia (poem), Books by Richard Dawkins
Collection: 1998 Books, Books by Richard Dawkins, Science Books, Science Studies
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Unweaving the Rainbow

Unweaving the Rainbow
Softcover edition
Author Richard Dawkins
Country United States
Language English
Subject Evolutionary biology
Genre Non-fiction
Publisher Houghton Mifflin
Publication date
1998
Media type Print, e-book
Pages 336 pp.
ISBN
OCLC 45155530
Preceded by Climbing Mount Improbable
Followed by A Devil's Chaplain

Unweaving the Rainbow (subtitled "Science, Delusion and the Appetite for Wonder") is a 1998 book by Richard Dawkins, discussing the relationship between science and the arts from the perspective of a scientist.

Dawkins addresses the misperception that science and art are at odds. Driven by the responses to his books The Selfish Gene and The Blind Watchmaker wherein readers resented his naturalistic world view, seeing it as depriving life of meaning, Dawkins felt the need to explain that, as a scientist, he saw the world as full of wonders and a source of pleasure. This pleasure was not in spite of, but rather because he does not assume as cause the inexplicable actions of a deity but rather the understandable laws of nature.

His starting point is John Keats' well-known, light-hearted accusation that Isaac Newton destroyed the poetry of the rainbow by 'reducing it to the prismatic colours.'[1] (Incidentally, Newton did no such thing: it was Theodoric of Freiberg who discovered rainbows were prismatic. Newton's famous discovery with prisms was recombination of a spectrum back into white light.) The agenda of the book is to show the reader that science does not destroy, but rather discovers poetry in the patterns of nature.

Contents

  • Summary of the arguments 1
    • Preface 1.1
    • The anaesthetic of familiarity 1.2
      • Opening lines 1.2.1
      • Summary 1.2.2
    • Drawing room of dukes 1.3
    • Barcodes in the stars 1.4
    • Barcodes on the air 1.5
    • Barcodes at the bar 1.6
    • Hoodwink'd with faery fancy 1.7
    • Unweaving the uncanny 1.8
    • Huge cloudy symbols of a high romance 1.9
    • The selfish cooperator 1.10
    • The genetic Book of the Dead 1.11
    • Reweaving the world 1.12
    • The balloon of the mind 1.13
      • Conclusion 1.13.1
  • Petwhac 2
  • Notes 3
  • External links 4

Summary of the arguments

The following summary of the book's arguments in favour of science does not attempt to reproduce the actual explanations of scientific phenomena (how DNA works, petwhac, etc.), which in fact form most of the text.

Preface

It is of little concern whether or not science can prove that the ultimate fate of the cosmos lacks purpose: we live our lives regardless at a "human" level, according to ambitions and perceptions which come more naturally. Therefore, science should not be feared as a sort of cosmological wet blanket. In fact, those in search of beauty or poetry in their cosmology need not turn to the paranormal or even necessarily restrict themselves to the mysterious: science itself, the business of unravelling mysteries, is beautiful and poetic. (The rest of the preface sketches an outline of the book, makes acknowledgements, etc.)

The anaesthetic of familiarity

Opening lines

"We are going to die, and that makes us the lucky ones. Most people are never going to die because they are never going to be born. The potential people who could have been here in my place but who will in fact never see the light of day outnumber the sand grains of Arabia. Certainly those unborn ghosts include greater poets than Keats, scientists greater than Newton. We know this because the set of possible people allowed by our DNA so massively outnumbers the set of actual people. In the teeth of these stupefying odds it is you and I, in our ordinariness, that are here. We privileged few, who won the lottery of birth against all odds, how dare we whine at our inevitable return to that prior state from which the vast majority have never stirred?"

Richard Dawkins has stated on several occasions that these lines should be read at his funeral.

Summary

The first chapter describes several ways in which the universe appears beautiful and poetic when viewed scientifically. However, it first introduces an additional reason to embrace science. Time and space are vast, so the probability that the reader came to be alive here and now, as opposed to another time or place, was slim. More important, the probability that the reader came to be alive at all were even slimmer: the correct structure of atoms had to align in the universe. Given how special these circumstances are, the "noble" thing to do is employ the allotted several decades of human life towards understanding that universe. Rather than simply feeling connected with nature, one should rise above this "anaesthetic of familiarity" and observe the universe scientifically.

Drawing room of dukes

This chapter describes a third reason to embrace science (the first two being beauty and duty): improving one's performance in the arts. Science is often presented publicly in a translated format, "dumbed down" to fit the language and existing ideas of non-scientists. This offers a disservice to the public, who are capable of appreciating the beauty of the universe as deeply as a scientist can. The successful communication of unadulterated science enhances, not confuses, the arts; after all, poets (Dawkins' synonym for artists—see page 24) and scientists are motivated by a similar spirit of wonder. We should therefore battle the stereotype that science is difficult, uncool, and not useful for the common person.

Barcodes in the stars

Studying a phenomenon, such as a flower, cannot detract from its beauty. First, some scientists, such as Feynman, are able to appreciate the aesthetics of the flower while engaged in their study. Second, the mysteries which science unfolds lead to new and more exciting mysteries; for example, botany's findings might lead us to wonder about the workings of a fly's consciousness. This effect of multiplying mysteries should satisfy even those who think that scientific understanding is at odds with aesthetics, e.g. people who agree with Einstein that "the most beautiful thing we can experience is the mysterious". (For evidence, the rest of this chapter discusses the fascinating science and beautiful new mysteries which followed in the wake of Newton's "unweaving" of the rainbow, q.e. his explanation of the prismatic effects of moist air.)

Barcodes on the air

This chapter offers more evidence that science is fun and poetic, by exploring sound waves, birdsong, and low-frequency phenomena such as pendula and periodic mass extinctions.

Barcodes at the bar

A fourth reason to embrace science is that it can help deliver justice in a court of law, via DNA fingerprinting or even via simple statistical reasoning. Everyone should learn the scientist's art of probability assessment, to make better decisions.

Hoodwink'd with faery fancy

This chapter explores what Dawkins considers to be fallacies in astrology, religion, magic, and extraterrestrial visitations. Credulity and Hume's criterion are also discussed.

Unweaving the uncanny

Amazing coincidences are much more common than we may think, and sometimes, when over-interpreted, they lead to faulty conclusions. Statistical significance tests can help determine which patterns are meaningful.

Huge cloudy symbols of a high romance

Unlike "magisterial poetry" (where metaphors and pretty language are used to describe the familiar), "pupillary poetry" uses poetic imagery to assist a scientist's thinking about the exotic (e.g. consider "being" an electron temporarily). Although it is useful, some authors take pupillary poetry too far, and, "drunk on metaphor", they produce "bad science"; i.e. postulate faulty theories. This is powered by humanity's natural tendency to look for representations.

The selfish cooperator

predator and prey running speeds may increase together in a sort of arms race).

The genetic Book of the Dead

The body of any organism provides clues about its habitat. The genes allow one to reconstruct a picture of the range of ways of life that the species has experienced; in this sense DNA would act as a palimpsestic "digital archive" if only its language of encoding history could be fully understood. Finally, the curious genetics of cuckoos is discussed.

Reweaving the world

The brain is akin to a powerful computer, which creates a sort of organism make the optimal actions in the (predicted) future.

The balloon of the mind

The simultaneous explosions in hardware and software of the 20th century are together an example of what Dawkins calls "self-feeding co-evolution". A similar event occurred over a longer time scale (millions of years) when the minds and brains of our ancestors simultaneously improved very rapidly. Five possible triggers of this improvement were: language, map reading, ballistics, memes, and metaphors/analogies.

Conclusion

The final two paragraphs of The balloon of the mind conclude by saying that human beings are the only animal with a sense of purpose in life, and that that purpose should be to construct a comprehensive model of how the universe works.

Petwhac

The book coins an acronymical term, Petwhac (Population of Events That Would Have Appeared Coincidental). This is defined as all those events that may be considered to be a 'coincidence' if studied casually, but are both possible and statistically probable.

A way to get an idea of how to use the petwhac is as follows. Say you see a friend from school you have not seen for years when you are on holiday (an unlikely event); before saying it is fate or coincidence, think what is in the petwhac (meeting any friend from the same time period at least, friends of your brothers, sisters or parents, old flames, neighbours, teachers, someone who worked in the local chip-shop... the list is probably endless, and all would seem coincidental). In short: the bigger the petwhac, the stronger case you have to avoid ascribing something to fate or coincidence.

Dawkins offers several examples of petwhacs in the book, two of which are the bedside clock of a woman (Richard Feynman's wife) stopping exactly when she died, and a psychic who stops the watches of his television audience.

The first is explained by the fact that the clock had a mechanical defect which made it stop when tilted off the horizontal, which is what a nurse did to read the time of death in poor lighting conditions. The matter of the watches, in Dawkins' own words, is explained thus —

If somebody's watch stopped three weeks after the spell was cast, even the most credulous would prefer to put it down to chance. We need to decide how large a delay would have been judged by the audience as sufficiently simultaneous with the psychic's announcement to impress. About five minutes is certainly safe, especially since he can keep talking to each caller for a few minutes before the next call ceases to seem roughly simultaneous. There are about 100,000 five-minute periods in a year. The probability that any given watch, say mine, will stop in a designated five-minute period is about 1 in 100,000. Low odds, but there are 10 million people watching the show. If only half of them are wearing watches, we could expect about 25 of those watches to stop in any given minute. If only a quarter of these ring into the studio, that is 6 calls, more than enough to dumbfound a naïve audience. Especially when you add in the calls from people whose watches stopped the day before, people whose watches didn't stop but whose grandfather clocks did, people who died of heart attacks and their bereaved relatives phoned in to say that their 'ticker' gave out, and so on.

Dawkins defends his choice of the word "population" by writing "Population may seem an odd word, but it is the correct statistical term.", adding "I won't keep using capital letters because they stand so unattractively on the page."

Notes

  1. ^  

External links

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