ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The system has another interesting property2 : that (2 1) cards can be sorted into perfect serial order by only AT" successive operations of one needle. Thus if there are up to 1,023 cards, the code will consist of ten holes, denoted 1, 2, 4 ... 512. To sort the cards, one inserts a needle in the ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/176984b0
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