[Fwd: april scientific american]

Chuck Biehl (bieh9435@dpnet.net)
Thu, 18 Mar 1999 05:22:39 -0500


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For the last few months, it's been amazing how many topics in
Scienctific American have been really similar to topics from our
discrete math course, a lot of which has been directly based on material
and topics from DREI... we should count our blessings.
Chuck

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L. Charles (Chuck) Biehl (v)302.651.2727 Mathematics, Science & Technology (f)302.652.1246 The Charter School of Wilmington http://dimacs.rutgers.edu/~biehl 100 N. DuPont Rd. Wilmington, DE 19807 --------------0DD2E3E142F7330710B1A9E9 Content-Type: message/rfc822 Content-Transfer-Encoding: 7bit Content-Disposition: inline

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Dear Friends, The April Scientific American has a variety of items of interest. The topologist/geometer Jeff Weeks (and co-authors) discuss the interplay of geometry and the idea that the universe may be finite rather than infinite. There is also an article about Alan Turing the pioneer of computing that has lots of interesting information. Finally, Ian Stewart's columun deals with why phone cords get twisted. The mathematics is also useful in understanding DNA coiling; the article reports on the remarkable connection between linking number, "helical turns" and writhing.

Regards, Joe

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