Top network posts

• 78 If there is friction and everything stops on earth why does earth not stop due to friction?
• 51 What causes electrical boxes to hum?
• 24 When an electron around an atom drops to a lower state, is 100% of the energy converted to a photon?
• 22 Is there evidence to support that the Earth has a molten core?
• 19 Can a virtual object exist without an observer?
• 14 Is there a quick way of finding the kinetic energy on spherical coordinates?
• 13 Definition of an operator in quantum mechanics
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