George Johnson writes regularly about science for The New York Times. He has also written for Scientific American, The Atlantic Monthly, Time, Slate, and Wired, and his work has been included in The Best American Science Writing.
Video: Galileo's experiments
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lol....Blasphemy!
Okay, maybe not so much. I just never could believe that Galileo did that experiment either until saw Carl Sagan say it on Cosmos. I never did figure out how he did the timing (not that I researched it or anything either), but the better thing to believe is that maybe he didn't do it at all I suppose. It just seems to be an unrepeatable experiment all around, even with two or three people. You'd have to have a spark timer, right?