打兔子的游戏

Is there really a bird in the lab?

http://www.flickr.com/photos/michael_hughes/sets/346406/

中国挑战相对论网

www.youa.com/ 百度有啊——什么破名字……

Socrates Lee's playlist at imeem.

videolectures被封了，还好爷有海外关系，能下到slides...