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Asunto:Minds, Machines and the Multiverse / The Quest for the Quantum Computer / Julian Brown
Fecha:Martes, 15 de Agosto, 2000  03:08:55 (-0600)
Autor:Ricardo Ocampo <anahuak>

Minds, Machines and the Multiverse : The Quest for the Quantum Computer 
by Julian Brown 
Customers who bought this book also bought: 
*    The Bit and the Pendulum: How the New Physics of Information is 
Revolutionizing Science; Tom Siegfried 
*    Five More Golden Rules: Knots, Codes, Chaos and Other Great Theories of 
20th-Century Mathematics; John L. Casti 
*    Ultimate Zero and One : Computing at the Quantum Frontier; Colin P. 
Williams, Scott H. Clearwater 
*    The Non-Local Universe : The New Physics and Matters of the Mind; 
Robert Nadeau, et al 
Editorial Reviews  
Apart from a few promising prototypes, quantum computers don't really exist 
yet, but never mind that--the very thought of them is enough to give a geek 
goosebumps. Imagine it: a computer capable of processing data not just on 
your desktop but in a million parallel universes all at once. The concept 
sounds like science fiction, but the freaky laws of quantum physics make it 
a concrete possibility. And the implications--as science journalist Julian 
Brown makes plain in Minds, Machines and the Multiverse: The Quest for the 
Quantum Computer, a daunting yet consistently gripping look at quantum 
computation's high frontiers--are sweeping. 
Computers powered by quantum weirdness, Brown tells us, could outperform 
existing machines to astronomical degrees, solving in minutes problems 
classical computers might take millennia to work through. But more to the 
point, the theoretical research that is making quantum computers 
plausible--led by gifted physicists like Rolf Landauer, David Deutsch, and 
the late Richard Feynman--has already opened up intriguing new ways of 
thinking about the world and about computation's place in it. 
But Brown shows equal commitment to explaining not only what makes quantum 
computers fascinating but what makes them work. This is not, in other words, 
a book for those who blanch at the sight of complex equations and circuit 
diagrams. Still, Brown's explanations, while dense with information, are 
unerringly lucid, and anyone who sticks with them to the end will come away 
with exactly what this book promises: a penetrating understanding of a 
mind-bending technology. --Julian Dibbell 
From Booklist   
Books about technological revolutions usually come after the fact. Not this 
one. Brown hails tomorrow's breakthrough--the quantum computer--likely to 
render existing computers obsolete. Though computer designers are still 
struggling to surmount the technical obstacles, the theorists of quantum 
computing have already envisioned astounding possibilities: light-speed 
computation, invincible cryptography, photon teleportation, perhaps even 
artificial intelligence. To explain the remarkable promise... read more 
Book Description   
The traditional and ubiquitous digital computer has changed the world by 
processing series of binary ones and zeroes...very fast. Like the sideshow 
juggler spinning plates on billiard cues, the classical computer moves fast 
enough to keep the plates from falling off. As computers become faster and 
faster, more and more plates are being added to more and more cues. 
Imagine, then, a computer in which speed is increased not because it runs 
faster, but because it has a limitless army of different... read more 
A chronicle of one of the biggest ideas since the development of quantum 
theory: the birth of the quantum computer, a machine that could vastly 
exceed the capabilities of all present day computers put together with 
profound implications not only for computing technology but also for our 
understanding of the universe and the nature of reality. 
Book Info   
Details the uses for quantum computing in code breaking, for quantum 
computers to crack many of the leading methods of protecting secret 
information, while offering new unbreakable codes. DLC: Quantum computers. 
Ideal for the non-specialist general reader., August 3, 2000 
Reviewer: Midwest Book Review (see more about me)  from Oregon, WI USA 
Julian Brown's Minds, Machines, And The Multiverse documents the search for 
the quantum computer, which promises to change not just technology and 
science, but how we understand forms of reality. Imagine a computer in which 
speed is increased because of how it juggles jobs, taking seconds to perform 
calculations which would take the best supercomputers longer than the age of 
the universe to complete. Technical details are presented in surprisingly 
simple form so lay readers can readily absorb the information. 
Was this review helpful to you?   
13 of 13 people found the following review helpful: 
Mind-blowing!, May 7, 2000 
Reviewer: arnold trent (see more about me)  from New York 
A wonderful overview of the history and science of this extraordinary new 
discipline. Brown's documentary approach interlaces explanations of quantum 
computers with comments from the pioneers of this field including David 
Deutsch and Richard Feynman. It makes for riveting reading with many witty 
asides thrown into some far-sighted discussions of where the subject is 
leading. David Deutsch comes across as a true visionary even if his ideas 
concerning multiple universes sound far-fetched. Rather like Penrose's, "The 
Emperor's New Mind", Brown caters for multiple tastes by writing for a 
general audience but adding (mostly in appendices) some mathematical 
explanations and circuit diagrams. These can be can be safely skipped 
without losing the narrative thread. A pity to do so though because his 
explanations are a delight. Thoroughly recommended. 
Was this review helpful to you?   
14 of 15 people found the following review helpful: 
Choose your worlds carefully..., April 16, 2000 
Reviewer: Dug Fresh (see more about me) 
This is a decent sequel to David Deutsch's Fabric of Reality. Unlike much of 
the contemporary scene, this book doesn't dumb itself down for the lowest 
common denominator. The nice thing about this book though, is that while it 
gets down into the nitty gritty you can still follow along at whatever level 
you are at. Some people might give a ho-hum about quantum computers but once 
these people get past their own inertia they will be compelled to accept 
just how profoundly quantum computers will change our current collective 
conceptual framework. Also, at a little over half way through this book you 
might begin to wonder where the Mind part fits in with the Machine and 
Multiverse parts but by the final lines everything slips snuggly into place. 
Perhaps the only disappointment, which is surely not the book's fault, is 
that quantum computers are still only ideas not actualities. However 
exciting this topic may be, it is a topic about the near future, not the 
present, and so we are naturally left wanting more. 
Was this review helpful to you?   
8 of 47 people found the following review helpful: 
The Other Me's Read It and Liked It I think, April 7, 2000 
Reviewer: A reader from N. California 
it seems that in one of the multiverses that surround me like a fog these 
days, another 'Me' has already read this book. What seems to bug this other 
'Me' about the book, is the tacit assumption that such superpositions are 
*never* experienced in the 'classical' world. Well, jeez, what else is 
schizophrenia all about, eh? And if you read some of the old Zen Master 
anecdotes, they are clearly talking about living in a world of 
superposition, where 'to go one mile east, is to go one mile west'. What we 
need is for Thomas Cleary to have a go at doing a syncretic synthesis of Zen 
and Physics. It's about time for a newer 'Tao of Physics' it seems to me!