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Manishearth earned this badge 7 times |
may 20 at 22:31
Why doesn't light kill me?
apr 12 at 10:42
Why do we care about black hole interiors' physics?
apr 12 '12 at 1:37
What non-metal is attracted by a magnet?
feb 16 '12 at 14:36
Why does a window become a mirror at night?
