Introduction | MIT 8.01 Classical Mechanics, Fall 1999 http://ocw.mit.edu/courses/physics/8-01-physics-i-classical-mechanics-fall-1999/video-lectures/course-introduction/ 字幕付けた人→ http://twitter.com/ito_genOCW 翻訳協力者求むMIT OCW動画 mylist/28407699
http://www.nicovideo.jp/watch/sm16003571