Watch How a Nuclear Chain Reaction Works Using Mouse Traps and Ping…

Chemistry students at Horizon Science Academy in Cleveland had to illustrate a nuclear chain reaction and came up with this video. I wish nuclear chain reactions were always this fun. » 3/22/11 9:20am 3/22/11 9:20am

Reaction Time Test: Results In, Giz Readers Brilliant as Expected

We tested your reaction time last week, and most of you did much better than your humble narrator. Or at least that's what you reported. We have the official results of the test, with a whopping sample of over 10,000 people. » 3/19/07 1:30pm 3/19/07 1:30pm