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Turing's Cathedral

The Origins of the Digital Universe

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1 of 1 copy available
1 of 1 copy available

“It is possible to invent a single machine which can be used to compute any computable sequence,” twenty-four-year-old Alan Turing announced in 1936. In Turing’s Cathedral, George Dyson focuses on a small group of men and women, led by John von Neumann at the Institute for Advanced Study in Princeton, New Jersey, who built one of the first computers to realize Alan Turing’s vision of a Universal Machine. Their work would break the distinction between numbers that mean things and numbers that do things—and our universe would never be the same.
 
Using five kilobytes of memory (the amount allocated to displaying the cursor on a computer desktop of today), they achieved unprecedented success in both weather prediction and nuclear weapons design, while tackling, in their spare time, problems ranging from the evolution of viruses to the evolution of stars.
 
Dyson’s account, both historic and prophetic, sheds important new light on how the digital universe exploded in the aftermath of World War II. The proliferation of both codes and machines was paralleled by two historic developments: the decoding of self-replicating sequences in biology and the invention of the hydrogen bomb. It’s no coincidence that the most destructive and the most constructive of human inventions appeared at exactly the same time.
 
How did code take over the world? In retracing how Alan Turing’s one-dimensional model became John von Neumann’s two-dimensional implementation, Turing’s Cathedral offers a series of provocative suggestions as to where the digital universe, now fully three-dimensional, may be heading next.

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    • Publisher's Weekly

      January 9, 2012
      An overstuffed meditation on all things digital sprouts from this engrossing study of how engineers at Princeton’s Institute for Advanced Studies, under charismatic mathematician John von Neumann (the book should really be titled Von Neumann’s Cathedral), built a pioneering computer (called MANIAC) in the years after WWII. To readers used to thinking of computers as magical black boxes, historian Dyson (Darwin Among the Machines) gives an arresting view of old-school mechanics hammering the first ones together from vacuum tubes, bicycle wheels, and punch-cards. Unfortunately, his account of technological innovations is too sketchy for laypeople to quite follow. The narrative frames a meandering tour of the breakthroughs enabled by early computers, from hydrogen bombs to weather forecasting, and grandiose musings on the digital worldview of MANIAC’s creators, in which the author loosely connects the Internet, DNA, and the possibility of extraterrestrial invasion via interstellar radio signals. Dyson’s portrait of the subculture of Von Neumann and other European émigré scientists who midwifed America’s postwar technological order is lively and piquant. But the book bites off more science than it can chew, and its expositions of hard-to-digest concepts from Gödel’s theorem to the Turing machine are too hasty and undeveloped to sink in.

    • Kirkus

      Starred review from February 1, 2012
      That we live in a digital universe is indisputable; how we got there is a mesmerizing tale brilliantly told by science historian Dyson (Project Orion: The Atomic Spaceship 1957-1965, 2002, etc.) The author establishes late 1945 as the birth date of the first stored-program machine, built at the Institute for Advanced Study, established in Princeton in 1932 as a haven for theoreticians. It happened under the watch of the brilliant mathematician John von Neumann, fresh from commutes to Los Alamos where the atom bomb had been built and the hydrogen bomb only a gleam in Edward Teller's eye. Dyson makes clear that the motivation for some of the world's greatest technological advances has always been to perfect instruments of war. Indeed, von Neumann's colleagues included some who had been at Aberdeen Proving Grounds, where a dedicated-purpose computer, ENIAC, had been built to calculate firing tables for antiaircraft artillery. The IAS computer, MANIAC, was used to determine the parameters governing the fission of an atom device inside an H-bomb that would then ignite the fusion reaction. But for von Neumann and others, the MANIAC was also the embodiment of Alan Turing's universal machine, an abstract invention in the '30s by the mathematician who would go on to crack the Nazi's infamous Enigma code in World War II. In addition to these stories, Dyson discusses climate and genetic-modeling projects programmed on the MANIAC. The use of wonderful quotes and pithy sketches of the brilliant cast of characters further enriches the text. Who knew that eccentric mathematician-logician Kurt Godel had married a Viennese cabaret dancer? Meticulously researched and packed with not just technological details, but sociopolitical and cultural details as well--the definitive history of the computer.

      COPYRIGHT(2012) Kirkus Reviews, ALL RIGHTS RESERVED.

    • Library Journal

      October 1, 2011

      In the 1940s and 1950s, scientists at the Institute for Advanced Study in Princeton, NJ, worked to realize Alan Turing's dream of a universal machine, which led to computers, digital television, modern genetics, and more. Because their work was funded by the government, which therefore expected to benefit from the results, it also led to the creation of the hydrogen bomb. Distinguished science writer Dyson is the son of renowned physicist Freeman Dyson, who worked at the institute in the 1950s, so you can expect an insightful book. With an eight-city tour.

      Copyright 2011 Library Journal, LLC Used with permission.

    • Booklist

      March 1, 2012
      Many sweeping histories of the computer revolution have already been written, tracing the origins of today's digital landscape back to the ancient Sumerian abacus, yet few are as thorough as this fascinating account from science-historian Dyson. Prior to the 1940s, mechanical devices like slide rules could solve equations or yield simple yes or no answers. It wasn't until a team of mathematicians and engineers led by John von Neumann convened in Princeton in 1945 that the first primitive random-access-memory computer, known as ENIAC, was born. Dyson draws on a wealth of long-hidden archival material to tell the full story of this breakthrough and its eccentric masterminds, including now-legendary figures such as Kurt Godel and Richard Feynman. The most eye-opening facet of ENIAC's creation is just how dependent it was on the same government program that funded the hydrogen bomb. Despite a plethora of technical explanations, Dyson's prose is never tedious as he sheds illuminating light on the genesis and evolution of our ubiquitously computerized world.(Reprinted with permission of Booklist, copyright 2012, American Library Association.)

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