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LifeH2O earned this badge 9 times |
feb 26 at 23:52
Why two objects get charged by rubbing
aug 31 at 14:57
Can magnets rotate infinitely?
aug 31 at 14:22
What is the difference between a white object and a mirror?
aug 20 at 23:10
Is time travel possible? Is it possible to go back in time?
jun 18 '12 at 6:15
Why does holding something up cost energy while no work is being done?
apr 25 '12 at 17:21
Why glass is transparent?
apr 6 '12 at 17:39
Why and how is the speed of light constant?
dec 3 '11 at 13:43
Simple explanation of quantum mechanics
