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Science 25 April 1997:
Vol. 276. no. 5312, p. 532
DOI: 10.1126/science.276.5312.532
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Research News

Charles Seife

A new mathematical test of randomness has shown that the sequence of digits in some irrational numbers is far less random than expected. The technique could shake up other fields as well, such as cryptography, where the randomness test could be used to crack encoded messages.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)