Neil Degrasse Tyson just explained this on an episode of Cosmos, so he can give a better description than me. But, from what I understand, the pull between the atoms isn't strong enough to maintain a solid shape, so they all sort of tumble around each other.
by Longtail5 years ago
Why do liquids keep hot so long in a vacuum flask?
by JS Matthew5 years ago
Why do Firemen open Hydrants and let the water flow out?I notice this from time to time. The fire department opens fire hydrants and lets the water flow for a period of time. Are they testing the lines, removing rust?...
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