math
1 FaverShareViewed: 10 TimesQuoted: 本家/.でも取り上げられているが、 科学・技術系の数式用のフリーなフォント STIX (Scientific and Technical Information Exchange) Fonts が長い長い準備期間を経てついに ベータテストを開始(PDFの英語のプレスリリース) したようだ。年末までの正式リリースを目指している。 Wikipediaの説明(英語)にもあるように アメリカ物理協会(AIP)、 アメリカ数学会 (AMS)、 アメリカ物理学会 (APS) などそうそうたるメンバーがサポートしており、 将来、事実上の数式用の標準フォントとなる可能性もある。 フリーなので、PC UNIXのディストリビューションに取り込まれる可能性も大だ。 STIX FontsはTeXやMathMLなどの表示と印刷に使うことが期待されている。 ...
click to playGood demo of why a klein bottle is a kind of reversed torus and why it's the same as two mobius strips glued together.
1 FaverShareViewed: 5 TimesQuoted: The Klein Bottle is a surface on which you can move from outside to inside without crossing an edge. This shows that inside and outside are not universal con...
Quoted: The Gathering for Gardner Foundation (G4G) is a non-profit corporation that works to honor the achievements of Martin Gardner by promoting the lucid exposition of new and accessible ideas in recreational mathematics, magic, puzzles, and philosophy.
Through its support of biannual conferences held in honor Martin Gardner, the foundation encourages the work of amateurs and young people by bringing them in contact with professional scholars, world-class expositors and innovative performers in venues that promote the cross-discipline fertilization of ideas.
1 FaverShareViewed: 7 TimesIf you ever do any 3D programming, this is a good basic intro to matrices and Quaternions which are ways of representing orientations of object in space.
1 FaverShareViewed: 19 TimesMike was asking how many essentially different sudoku grids there are. Here's the answer...
2 FaversShareViewed: 5 TimesRelated Content from Around Faves
conference
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Conference for potential startup entrepreneurs.
1 FaverViewed: 2 TimesQuoted: Start is a one-day conference in San Francisco designed for smart, talented Web people to take hold of their ideas, follow their dreams, and start their own companies.
- mike - Jun 14 20081 FaverViewed: 5 Times
- mike - Jun 13 20081 FaverViewed: 3 Times
