A nice interlude for those waiting to see if Andrea Rossi is confirmed: "If a meteor made out of diamond and 100 feet in diameter was traveling at the speed of light and hit the earth, what would happen to it?” —Aidan Smith, Age 8, via his father Jeff
3,000 kilometers per second = 0.01c: ... This would be pretty bad. The thing that makes this a little unpredictable is the fact that at speeds in the range of hundreds of kilometers per second, the air begins to undergo nuclear fusion .... http://what-if.xkcd.com/20/ Eric
