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Puzzles

Latest Articles

Insights puzzle

Solution: ‘Information From Randomness?’

By Pradeep Mutalik
July 22, 2015
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The counterintuitive solution to this month’s puzzle raises philosophical questions about randomness and information.

Insights puzzle

Can Information Rise From Randomness?

By Pradeep Mutalik
July 7, 2015
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Quanta’s new puzzle column asks you to believe the seemingly impossible — that you can win at a number guessing game with absolutely no information.

Multimedia

The Nine Schoolgirls Challenge

By Thomas Lin
June 9, 2015
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Solve this variation of Thomas Kirkman’s famous 1850 puzzle by arranging girls in walking groups. And think fast — the clock is ticking.


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