Physics
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DavePhD

Apparently, this user prefers to keep an air of mystery about them.

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64 Can the sun cast a shadow? Jun 6 '14
55 Why can't we see gases? May 5 '14
40 Why does a water drop on a hot plate at 150°C evaporate faster than on a plate at 200°C? May 10 '14
34 Homemade salad dressing separates into layers after it sits for a while. Why doesn't this violate the 2nd law of thermodynamics? May 9 '14
26 When photons reach us, what exactly is happening to us and to that photon? Apr 21 '14
26 Why doesn't dark matter affect planetary motion? Apr 10 '14
22 Which experiment gave scientists reason to believe nuclear fission/fusion produced energy? May 16 '14
21 If I were standing on the surface of the sun, how far could I see? Apr 29 '14
19 If I'm floating in space and I turn on a flashlight, will I accelerate? May 15 '14
18 What was the major discovery on gravitational waves made March 17th, 2014, in the BICEP2 experiment? Mar 17 '14
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