News of the WeekQUANTUM COMPUTING

Safer Coin Tosses Point to Better Way for Enemies to Swap Messages

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Science  04 Feb 2005:
Vol. 307, Issue 5710, pp. 655
DOI: 10.1126/science.307.5710.655a

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Summary

In an upcoming issue of Physical Review Letters, physicists describe an experiment in which a fair coin flip is performed quantum-mechanically; if one party tries to cheat, the deception is quickly revealed, something that scientists don't know how to guarantee with classical computers.