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David Zaslavsky earned this badge 5 times
jun 26 '12 at 18:07What are the prerequisites to studying general relativity?
sep 23 '11 at 16:00What happened to the idea of tachyonic or other superluminal neutrinos?
sep 6 '11 at 11:56Book recommendations [closed]
dec 18 '10 at 19:43How do you calculate the anomalous precession of Mercury?
nov 15 '10 at 6:39What really allows airplanes to fly?