A theoretical computer built in a mixed-up mathematical universe might not sound like the most practical invention. But the discovery shows that computation can turn up in the most unlikely places, ...

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A mathematical model of computation. Named after English scientist Alan Turing, a Turing machine is a finite state machine that reads a tape divided into cells. The Turing machine examines the symbol ...

A 20-year-old UK undergrad proved it:<BR><BR>http://www.wolframscience.com/prizes/tm23/solved.html<BR><BR>http://blog.wolfram.com/2007/10/the_prize_is_won_the ...

Turing machines are widely believed to be universal, in the sense that any computation done by any system can also be done by a Turing machine. In a new article, researchers present their work ...