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- File Size: 3414 KB
- Print Length: 692 pages
- Publisher: Transworld Digital; 01 edition (23 January 2010)
- Sold by: PRH UK
- Language: English
- ASIN: B0035OC7VI
- Text-to-Speech: Enabled
- Word Wise: Enabled
- Customer Reviews: 3,514 customer ratings
- Amazon Bestsellers Rank: #1,118 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
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A Short History of Nearly Everything (Bryson) Kindle Edition
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'Stylish [and] stunningly accurate prose ... Brims with strange and amazing facts ... destined to become a modern classic of science writing.' (The New York Times)
'Mr Bryson has a natural gift for clear and vivid expression. I doubt that a better book for the layman about the findings of modern science has been written.' (The Sunday Telegraph)
'The very book I have been looking for most of my life ... Bryson wears his knowledge with aplomb and a lot of very good jokes.' (The Daily Mail) --This text refers to an alternate kindle_edition edition.
Excerpt. © Reprinted by permission. All rights reserved.
1 HOW TO BUILD A UNIVERSE
NO MATTER HOW hard you try you will never be able to grasp just how tiny, how spatially unassuming, is a proton. It is just way too small.
A proton is an infinitesimal part of an atom, which is itself of course an insubstantial thing. Protons are so small that a little dib of ink like the dot on this i can hold something in the region of 500,000,000,000 of them, rather more than the number of seconds contained in half a million years. So protons are exceedingly microscopic, to say the very least.
Now imagine if you can (and of course you can't) shrinking one of those protons down to a billionth of its normal size into a space so small that it would make a proton look enormous. Now pack into that tiny, tiny space about an ounce of matter. Excellent. You are ready to start a universe.
I'm assuming of course that you wish to build an inflationary universe. If you'd prefer instead to build a more old-fashioned, standard Big Bang universe, you'll need additional materials. In fact, you will need to gather up everything there is--every last mote and particle of matter between here and the edge of creation--and squeeze it into a spot so infinitesimally compact that it has no dimensions at all. It is known as a singularity.
In either case, get ready for a really big bang. Naturally, you will wish to retire to a safe place to observe the spectacle. Unfortunately, there is nowhere to retire to because outside the singularity there is no where. When the universe begins to expand, it won't be spreading out to fill a larger emptiness. The only space that exists is the space it creates as it goes.
It is natural but wrong to visualize the singularity as a kind of pregnant dot hanging in a dark, boundless void. But there is no space, no darkness. The singularity has no "around" around it. There is no space for it to occupy, no place for it to be. We can't even ask how long it has been there--whether it has just lately popped into being, like a good idea, or whether it has been there forever, quietly awaiting the right moment. Time doesn't exist. There is no past for it to emerge from.
And so, from nothing, our universe begins.
In a single blinding pulse, a moment of glory much too swift and expansive for any form of words, the singularity assumes heavenly dimensions, space beyond conception. In the first lively second (a second that many cosmologists will devote careers to shaving into ever-finer wafers) is produced gravity and the other forces that govern physics. In less than a minute the universe is a million billion miles across and growing fast. There is a lot of heat now, ten billion degrees of it, enough to begin the nuclear reactions that create the lighter elements--principally hydrogen and helium, with a dash (about one atom in a hundred million) of lithium. In three minutes, 98 percent of all the matter there is or will ever be has been produced. We have a universe. It is a place of the most wondrous and gratifying possibility, and beautiful, too. And it was all done in about the time it takes to make a sandwich.
When this moment happened is a matter of some debate. Cosmologists have long argued over whether the moment of creation was 10 billion years ago or twice that or something in between. The consensus seems to be heading for a figure of about 13.7 billion years, but these things are notoriously difficult to measure, as we shall see further on. All that can really be said is that at some indeterminate point in the very distant past, for reasons unknown, there came the moment known to science as t = 0. We were on our way.
There is of course a great deal we don't know, and much of what we think we know we haven't known, or thought we've known, for long. Even the notion of the Big Bang is quite a recent one. The idea had been kicking around since the 1920s, when Georges Lem tre, a Belgian priest-scholar, first tentatively proposed it, but it didn't really become an active notion in cosmology until the mid-1960s when two young radio astronomers made an extraordinary and inadvertent discovery.
Their names were Arno Penzias and Robert Wilson. In 1965, they were trying to make use of a large communications antenna owned by Bell Laboratories at Holmdel, New Jersey, but they were troubled by a persistent background noise--a steady, steamy hiss that made any experimental work impossible. The noise was unrelenting and unfocused. It came from every point in the sky, day and night, through every season. For a year the young astronomers did everything they could think of to track down and eliminate the noise. They tested every electrical system. They rebuilt instruments, checked circuits, wiggled wires, dusted plugs. They climbed into the dish and placed duct tape over every seam and rivet. They climbed back into the dish with brooms and scrubbing brushes and carefully swept it clean of what they referred to in a later paper as "white dielectric material," or what is known more commonly as bird shit. Nothing they tried worked.
Unknown to them, just thirty miles away at Princeton University, a team of scientists led by Robert Dicke was working on how to find the very thing they were trying so diligently to get rid of. The Princeton researchers were pursuing an idea that had been suggested in the 1940s by the Russian-born astrophysicist George Gamow that if you looked deep enough into space you should find some cosmic background radiation left over from the Big Bang. Gamow calculated that by the time it crossed the vastness of the cosmos, the radiation would reach Earth in the form of microwaves. In a more recent paper he had even suggested an instrument that might do the job: the Bell antenna at Holmdel. Unfortunately, neither Penzias and Wilson, nor any of the Princeton team, had read Gamow's paper.
The noise that Penzias and Wilson were hearing was, of course, the noise that Gamow had postulated. They had found the edge of the universe, or at least the visible part of it, 90 billion trillion miles away. They were "seeing" the first photons--the most ancient light in the universe--though time and distance had converted them to microwaves, just as Gamow had predicted. In his book The Inflationary Universe, Alan Guth provides an analogy that helps to put this finding in perspective. If you think of peering into the depths of the universe as like looking down from the hundredth floor of the Empire State Building (with the hundredth floor representing now and street level representing the moment of the Big Bang), at the time of Wilson and Penzias's discovery the most distant galaxies anyone had ever detected were on about the sixtieth floor, and the most distant things--quasars--were on about the twentieth. Penzias and Wilson's finding pushed our acquaintance with the visible universe to within half an inch of the sidewalk.
Still unaware of what caused the noise, Wilson and Penzias phoned Dicke at Princeton and described their problem to him in the hope that he might suggest a solution. Dicke realized at once what the two young men had found. "Well, boys, we've just been scooped," he told his colleagues as he hung up the phone.
Soon afterward the Astrophysical Journal published two articles: one by Penzias and Wilson describing their experience with the hiss, the other by Dicke's team explaining its nature. Although Penzias and Wilson had not been looking for cosmic background radiation, didn't know what it was when they had found it, and hadn't described or interpreted its character in any paper, they received the 1978 Nobel Prize in physics. The Princeton researchers got only sympathy. According to Dennis Overbye in Lonely Hearts of the Cosmos, neither Penzias nor Wilson altogether understood the significance of what they had found until they read about it in the New York Times.
Incidentally, disturbance from cosmic background radiation is something we have all experienced. Tune your television to any channel it doesn't receive, and about 1 percent of the dancing static you see is accounted for by this ancient remnant of the Big Bang. The next time you complain that there is nothing on, remember that you can always watch the birth of the universe.
Although everyone calls it the Big Bang, many books caution us not to think of it as an explosion in the conventional sense. It was, rather, a vast, sudden expansion on a whopping scale. So what caused it?
One notion is that perhaps the singularity was the relic of an earlier, collapsed universe--that we're just one of an eternal cycle of expanding and collapsing universes, like the bladder on an oxygen machine. Others attribute the Big Bang to what they call "a false vacuum" or "a scalar field" or "vacuum energy"--some quality or thing, at any rate, that introduced a measure of instability into the nothingness that was. It seems impossible that you could get something from nothing, but the fact that once there was nothing and now there is a universe is evident proof that you can. It may be that our universe is merely part of many larger universes, some in different dimensions, and that Big Bangs are going on all the time all over the place. Or it may be that space and time had some other forms altogether before the Big Bang--forms too alien for us to imagine--and that the Big Bang represents some sort of transition phase, where the universe went from a form we can't understand to one we almost can. "These are very close to religious questions," Dr. Andrei Linde, a cosmologist at Stanford, told the New York Times in 2001.
The Big Bang theory isn't about the bang itself but about what happened after the bang. Not long after, mind you. By doing a lot of math and watching carefully what goes on in particle accelerators, scientists believe they can look back to 10-43 seconds after the moment of creation, when the universe was still so small that you would have needed a microscope to find it. We mustn't swoon over every extraordinary number that comes before us, but it is perhaps worth latching on to one from time to time just to be reminded of their ungraspable and amazing breadth. Thus 10-43 is 0.0000000000000000000000000000000000000000001, or one 10 million trillion trillion trillionths of a second.
Most of what we know, or believe we know, about the early moments of the universe is thanks to an idea called inflation theory first propounded in 1979 by a junior particle physicist, then at Stanford, now at MIT, named Alan Guth. He was thirty-two years old and, by his own admission, had never done anything much before. He would probably never have had his great theory except that he happened to attend a lecture on the Big Bang given by none other than Robert Dicke. The lecture inspired Guth to take an interest in cosmology, and in particular in the birth of the universe.
The eventual result was the inflation theory, which holds that a fraction of a moment after the dawn of creation, the universe underwent a sudden dramatic expansion. It inflated--in effect ran away with itself, doubling in size every 10-34 seconds. The whole episode may have lasted no more than 10-30 seconds--that's one million million million million millionths of a second--but it changed the universe from something you could hold in your hand to something at least 10,000,000,000,000,000,000,000,000 times bigger. Inflation theory explains the ripples and eddies that make our universe possible. Without it, there would be no clumps of matter and thus no stars, just drifting gas and everlasting darkness.
According to Guth's theory, at one ten-millionth of a trillionth of a trillionth of a trillionth of a second, gravity emerged. After another ludicrously brief interval it was joined by electromagnetism and the strong and weak nuclear forces--the stuff of physics. These were joined an instant later by swarms of elementary particles--the stuff of stuff. From nothing at all, suddenly there were swarms of photons, protons, electrons, neutrons, and much else--between 1079 and 1089 of each, according to the standard Big Bang theory.
Such quantities are of course ungraspable. It is enough to know that in a single cracking instant we were endowed with a universe that was vast--at least a hundred billion light-years across, according to the theory, but possibly any size up to infinite--and perfectly arrayed for the creation of stars, galaxies, and other complex systems.
What is extraordinary from our point of view is how well it turned out for us. If the universe had formed just a tiny bit differently--if gravity were fractionally stronger or weaker, if the expansion had proceeded just a little more slowly or swiftly--then there might never have been stable elements to make you and me and the ground we stand on. Had gravity been a trifle stronger, the universe itself might have collapsed like a badly erected tent, without precisely the right values to give it the right dimensions and density and component parts. Had it been weaker, however, nothing would have coalesced. The universe would have remained forever a dull, scattered void.
This is one reason that some experts believe there may have been many other big bangs, perhaps trillions and trillions of them, spread through the mighty span of eternity, and that the reason we exist in this particular one is that this is one we could exist in. As Edward P. Tryon of Columbia University once put it: "In answer to the question of why it happened, I offer the modest proposal that our Universe is simply one of those things which happen from time to time." To which adds Guth: "Although the creation of a universe might be very unlikely, Tryon emphasized that no one had counted the failed attempts."
Martin Rees, Britain's astronomer royal, believes that there are many universes, possibly an infinite number, each with different attributes, in different combinations, and that we simply live in one that combines things in the way that allows us to exist. He makes an analogy with a very large clothing store: "If there is a large stock of clothing, you're not surprised to find a suit that fits. If there are many universes, each governed by a differing set of numbers, there will be one where there is a particular set of numbers suitable to life. We are in that one."
Rees maintains that six numbers in particular govern our universe, and that if any of these values were changed even very slightly things could not be as they are. For example, for the universe to exist as it does requires that hydrogen be converted to helium in a precise but comparatively stately manner--specifically, in a way that converts seven one-thousandths of its mass to energy. Lower that value very slightly--from 0.007 percent to 0.006 percent, say--and no transformation could take place: the universe would consist of hydrogen and nothing else. Raise the value very slightly--to 0.008 percent--and bonding would be so wildly prolific that the hydrogen would long since have been exhausted. In either case, with the slightest tweaking of the numbers the universe as we know and need it would not be here.--This text refers to an alternate kindle_edition edition.
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Short History of nearly everything totally inspiring I bought it for my 14 year old grandson a science fiend but the book is equally awe inspiring . As a granny understanding science is not my strong point but when writers like this can tell then I am blown away.
Highly recommended to give a background to further readings.
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The book's title is very apt.The breadth of history covered by this book is massive (as well as weighty!) – from the first fraction of a second of the Universe’s existence to the recent discoveries of the 20th century. Obviously there are certain gaps (hence the "nearly"), but Bryson readily points out what he does not know. It is an honest history of the scientific accomplishments since the earth's inception. It is a must read for every human, as it hands you a feeling of bursting pride - being a participant in humanity's great journey. Although the most surprising feature is the balance between the roles played by chance in many of these discoveries, and the unyielding human determination to identify a grey area, and seek knowledge accordingly.
The book’s strength lies in its ability to convey the wonder (and complexity) of science to the average layman - mainly because Bryson, himself, has no scientific background and only recently familiarised himself with these wonders. More than just a condensed text of salient, factual information - Bryson brings this to life whilst describing the surrounding imperfect scientific process (why the information was sought after, how scientists honed their approaches from producing wildly incorrect estimations to the precisely calculated figures we use today, and why information or possibilities lie outside our grasp), as well as amusing anecdotes.
The other strength of this book is that by approaching it from the POV of a non-scientist, Bryson nourishes our wonderment and understanding to grow as information fluidly disguised in Bryson’s energetic, quirky, familiar and humorous prose seep out each chapter, letting us journey alongside some of the most prominent (and some of the less prominent but equally brilliant) scientists in their obsessive pursuits. In fact, I found information that I loosely remembered from my schooldays and now find that the little bit of context and intrigue that Bryson adorns them with has left them impressed in my mind forever.
Bryson ambles the pathways of science, observing the remarkable scientific phenomena along the way, without feeling particularly deeply about anything, as he searches out more anecdotes of human discovery. The whole thing washes over him without ever really getting passionately engaged. Of course, the facts are pretty amazing, so there’s definitely a sense of “TA DAAAAA!”, like watching a magician pull more rabbits out of hats.
However, the general sense of detachment leaves the book feeling shallow and uninspired. There’s a stream of interesting facts is one thing after the other without anything really grasping our guide on a personal, emotional level, beyond a blip. He’s never inspired to look for something new within himself, only to observe and move on. It’s as if he is casually observing scenes through a train window, without ever really caring about what is taking place, beyond a simple “well, that really is amazing, isn’t it.”, then moving on to the next “really interesting” thing.
One day, AI will write books like this. Or maybe it already did. I thought I would finish the book, the way one finishes a bar of Cadbury’s Dairy Milk, but now I’m not sure I can face ever picking it up again, in case my brain turns to mush.
Surprisingly, a lot of the discoveries we now take for granted were very controversial at their time. Some were so far ahead of their time that nobody cared much and the facts were re-discovered a century later.
For me, the book was a great way to appreciate the existence of the universe, the earth and life. It was also very inspiring to see that over the centuries, there were always a few people with focus and dedication. Some spent decades on a problem until they finally made a breakthrough. We owe a lot to these people.
Also recommend the book if you have a kid in high-school, around the age of maybe 15. The book might make school more interesting.
This book gives science a human face, and a humorous one at that. You will not come out of this being a great scientist, but you will certainly have gained a great overview of a good many scientific topics, and via an enjoyable route rather than an overly stuffy textbook. Like me, you will also likely feel the constant urge to share some newly read gem along the way.
I read this from cover to cover over the course of a few months. Thoroughly enjoyed the factual science aspects. Bryson however does attempt to weave in an evolutionary explanation for most things in this book. This makes for a rather disconcerting journey as he often refers in the book to selfish scientists bickering and fighting away in order to further their name and reputations.
Bill takes you on a jovial joyride of breathtaking facts. His unique, humorous way of writing has you hooked from the word go. So many incredible facts that your head spins and you feel desperately the need to repeat certain passages to another person in order to share the knowledge!
He has a talent like no other, enables you to visualise an otherwise overwhelming fact and with a sprinkling of light heartedness.
This book makes subjects that would otherwise be very serious and heavy an absolute joy to read.
Best book in years.
This gives an overview of the sciences from their origins to their current state (or at least the state they were at when the book was published). There are many books of a similar vein on the market but Bill Bryson brings a unique accessibility that come from, in my opinion, the way he brings the human element into the subject. The chapters are mostly categorised by science - geology, astrophysics, chemistry, biology, palaeontology etc. However the sciences, rather inevitably overlap from time to time within the chapters and follow the flow from chapter to chapter rather than dividing them up into unrelated topics.
Most science books will quote the discoverer of a particular law or the postulator of a particular theory but treat them largely as objects or almost a sidebar to the theory itself. Bryson treats the people behind the science as people, with flaws, traits, ambitions, feuds, and rivalries that went to shape the way science in general developed. By leading the reader through the science in the book by introducing the personalities that shaped it the subject remains accessible even through some of the less intuitive areas and because Bryson is not a scientist there is constantly a feeling of all being a little bit lost in it together.
A Short History is frequently amusing, almost always witty, and from time to time laugh out loud hilarious. Reading this book on the train will, I can assure you, cause a few looks to be directed your way if, like me you are an indiscreet chuckler, sniggerer, and prone to the occasional guffaw.
To write an in-depth review of this book would require far more time than I am prepared to commit. All I will say is that I am on my 4th reading. I have read it 3 times in hardback and now shifted to Kindle, which is very useful as it is a pretty hefty tome, so that says something about the book as a source of entertainment as well as a source of information.
I highly recommend picking up a copy whether it is as a straight read-through or as a pick up, put down book to dip and out of. It works very well as either.