Thursday, December 20, 2007

Physics Star at 71 -- How to make complex ideas and theories easy to understand.

http://www.nytimes.com/2007/12/19/education/19physics.html?em&ex=1198299600&en=ec220a51d461ae69&ei=5087%0A

Two sleeps--

https://www.mentalfloss.com/history/why-medieval-people-slept-in-two-sessions?utm_source=RSS&utm_campaign=2026-09-02&utm_content=901...