http://micro.magnet.fsu.edu/optics/timeline/people/foucault.html http://en.wikipedia.org/wiki/Leon_Foucault http://www.1911encyclopedia.org/Jean_Bernard_Leon_Foucault http://www.infoplease.com/ce6/people/A0819331.html http://www.britannica…

TOKYO_SUNRISE-05:26 SUNSET-17:43 MOON-19.3DAYS_ VIDEO: Village of Twins Is a Mystery http://news.nationalgeographic.com/news/2008/09/080911-twins-video-ap.html苗字の日トークの日, 子規忌，糸瓜忌，獺祭忌、 1819年 レオン・フーコー (仏:物理学…