NET NEWS: Shuttered Math Site Reopens

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Science  16 Nov 2001:
Vol. 294, Issue 5546, pp. 1423
DOI: 10.1126/science.294.5546.1423b

After vanishing from the Web a year ago, a popular math site called MathWorld is back in business. Part of Eric Weisstein's Treasure Troves of Science (Science, 13 October 2000, p. 227), the site treats everything mathematical, from the abc conjecture to Zorn's lemma, with over 10,000 entries and links to references. There are also animated graphics and Java applets. (Check out the billiard ball bouncing around inside a tetrahedron.)

Sponsored by Wolfram Research, MathWorld is an online counterpart to The CRCConcise Encyclopedia of Mathematics, which Weisstein published with CRC Press in 1998 as a snapshot of his evolving Web site. That's where the problem lay. The site was taken down in October 2000 because of a lawsuit filed by CRC. It went back up 6 November after a settlement was reached. (CRC now shares copyright to the site). “The ordeal is finally over,” Weisstein writes in a note welcoming surfers back.

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