6 David Deutsch Quotes on Physics

David Deutsch quotes on physics

5. The quantum theory of parallel universes is not the problem, it is the solution. It is not some troublesome, optional interpretation emerging from arcane theoretical considerations. It is the explanation-the only one that is tenable-of a remarkable and counter-intuitive reality. (Ch. 2)

9. Since building a universal virtual-reality generator is physically possible, it must actually be built in some universes. (Ch. 6)

10. Quantum computation is... a distinctively new way of harnessing nature... It will be the first technology that allows useful tasks to be performed in collaboration between parallel universes. (Ch. 9)

14. Time travel may be achieved one day, or it may not. But if it is, it should not require any fundamental change in world-view, at least for those who broadly share the world view I am presenting in this book. (Ch. 12)

17. Is the human race a universal constructor?

18. The theory of computation has traditionally been studied almost entirely in the abstract, as a topic in pure mathematics. This is to miss the point of it. Computers are physical objects, and computations are physical processes. What computers can or cannot compute is determined by the laws of physics alone, and not by pure mathematics.