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Programming the Universe: A Quantum Computer Scientist Takes on the Cosmos

av Seth Lloyd

MedlemmarRecensionerPopularitetGenomsnittligt betygOmnämnanden
5501031,253 (3.57)3
Is the universe actually a giant quantum computer? According to Seth Lloyd--professor of quantum-mechanical engineering at MIT and originator of the first technologically feasible design for a working quantum computer--the answer is yes. This book illuminates the professional and personal paths that led him to this remarkable conclusion. All interactions between particles in the universe, Lloyd explains, convey not only energy but also information--in other words, particles not only collide, they compute. And what is the entire universe computing, ultimately? "Its own dynamical evolution," he says. "As the computation proceeds, reality unfolds." To elucidate his theory, Lloyd examines the history of the cosmos, posing questions that in other hands might seem unfathomably complex: How much information is there in the universe? What information existed at the moment of the Big Bang and what happened to it? How do quantum mechanics and chaos theory interact to create our world? Could we attempt to re-create it on a giant quantum computer?--From publisher description.… (mer)

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» Se även 3 omnämnanden

Visa 1-5 av 10 (nästa | visa alla)
This book was pretty good. Seth Lloyd talks about Quantum Theory and Information Theory and how it combines to make the universe a Quantum Computer. It took longer than I thought to complete it, but it was still quite enjoyable. At first I didn't really know where he was going with his story, but eventually, he dives into it. ( )
  Floyd3345 | Jun 15, 2019 |
Interesting book that logically was based on concrete fact, but wove lunacy in science to create a quantum computer based on quantum physics. Seemed to be a gigantic jump to go from entropy to entanglement. ( )
  josmith16 | May 27, 2015 |
I really like Seth Lloyd. There are many extremely smart people today, but only few of them are able to explain and present certain theories so they are comprehensible to other people (especially in QM). So, in a way, Lloyd is like a modern Richard Feynman, also because he is witty, funny and easy to follow. Even though he deals with subjects that are way beyond our everyday experience, and even in that category, are very hard to conceptualize and understand, cause at a time they can be very counterintuitive, he still manages to connect them with things slightly closer to 'our world', so they become more presentable to people who are not so familiar with QM and information theory, and at the same time, offer a new perspective to people who are (and you can never have enough different perspectives of entropy, trust me). So this book is never boring even if you have previously encountered theory of universe as ultimate quantum computer, entropy explained through known and unknown qubits, connection of all of that with ToE...
In certain fields you can never find a middle ground between popular science literature and strictly scientific literature, and as someone who studied CS and will also be studying physics, lately I try to stay away from the first and focus on the second, but nonetheless, I really liked and enjoyed this book.
Also,I used to think I would be willing to give a kidney to be able to attend Lloyd's lectures @ MIT. I was wrong. Now I KNOW I would gladly give both of them. ( )
  UnChatNoir | Apr 27, 2013 |
I really like Seth Lloyd. There are many extremely smart people today, but only few of them are able to explain and present certain theories so they are comprehensible to other people (especially in QM). So, in a way, Lloyd is like a modern Richard Feynman, also because he is witty, funny and easy to follow. Even though he deals with subjects that are way beyond our everyday experience, and even in that category, are very hard to conceptualize and understand, cause at a time they can be very counterintuitive, he still manages to connect them with things slightly closer to 'our world', so they become more presentable to people who are not so familiar with QM and information theory, and at the same time, offer a new perspective to people who are (and you can never have enough different perspectives of entropy, trust me). So this book is never boring even if you have previously encountered theory of universe as ultimate quantum computer, entropy explained through known and unknown qubits, connection of all of that with ToE...
In certain fields you can never find a middle ground between popular science literature and strictly scientific literature, and as someone who studied CS and will also be studying physics, lately I try to stay away from the first and focus on the second, but nonetheless, I really liked and enjoyed this book.
Also,I used to think I would be willing to give a kidney to be able to attend Lloyd's lectures @ MIT. I was wrong. Now I KNOW I would gladly give both of them. ( )
  Erythrina | Apr 25, 2013 |
Interesting take on several fields - quantum mechanics, physics of the origin of the universe. Humor only added to book's lucidity. Worth a shot. ( )
  HadriantheBlind | Mar 29, 2013 |
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Is the universe actually a giant quantum computer? According to Seth Lloyd--professor of quantum-mechanical engineering at MIT and originator of the first technologically feasible design for a working quantum computer--the answer is yes. This book illuminates the professional and personal paths that led him to this remarkable conclusion. All interactions between particles in the universe, Lloyd explains, convey not only energy but also information--in other words, particles not only collide, they compute. And what is the entire universe computing, ultimately? "Its own dynamical evolution," he says. "As the computation proceeds, reality unfolds." To elucidate his theory, Lloyd examines the history of the cosmos, posing questions that in other hands might seem unfathomably complex: How much information is there in the universe? What information existed at the moment of the Big Bang and what happened to it? How do quantum mechanics and chaos theory interact to create our world? Could we attempt to re-create it on a giant quantum computer?--From publisher description.

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