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The universe as quantum computer (arxiv.org)
11 points by tiborsaas on Dec 27, 2013 | hide | past | favorite | 1 comment



Highlights, IMHO (still reading, but wanted to make an early note):

- "We human beings have a sloppy, if not outright bad habit of assigning advances to a few ‘great men.’ I call this habit the Pythagoras syndrome, after the tendency in the western world to assign all pre-fourth century B.C.E. mathematics to Pythagoras without regard to actual origins. In evaluating Turing’s contributions, we should be careful not to fall victim to the Pythagoras syndrome, if only to give full credit to his actual contributions, which were specific and great."

- "Babbage turned his efforts to the design of an ‘analytic engine.’ Programmed by punched cards like a Jacquard loom, the analytic engine would have been a universal digital computer."

- "The science fiction genre known as ‘steampunk’ speculates how the world might have evolved if nineteenth century technology had been up to the task of constructing the difference and analytical engines. (Per- haps the best-known example of the steampunk genre is William Gibson and Bruce Sterling’s novel, ‘The Difference Engine’ [4].)"

- "Turing’s great contribution to logic can be thought of as the rejection of logic as a Platonic ideal, and the redefinition logic as a process."




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