Pi: Less Random Than We Thought
Eugen Leitl
eugen at leitl.org
Sun May 1 15:39:17 PDT 2005
Link: http://slashdot.org/article.pl?sid=05/05/01/1759240
Posted by: timothy, on 2005-05-01 18:26:00
from the at-least-statistically dept.
[1]Autoversicherung writes "Physicists including Purdue's Ephraim
Fischbach have completed a study [2]comparing the 'randomness' in pi
to that produced by 30 software random-number generators and one
chaos-generating physical machine. After conducting several tests,
they have found that while sequences of digits from pi are indeed an
acceptable source of randomness -- often an important factor in data
encryption and in solving certain physics problems -- pi's digit
string does not always produce randomness as effectively as
manufactured generators do."
References
1. https://autoversicherung.einsurance.de/
2. http://news.uns.purdue.edu/UNS/html4ever/2005/050426.Fischbach.pi.html
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