#1 2018-01-06 17:50:17

Young girl explains relativity so simply that anyone can understand it:



From: https://boingboing.net/2018/01/06/watch … expla.html

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#2 2018-01-06 21:05:48

So, according to relativity, if a tree falls in the forest, it doesn't make a sound unless something is experiencing the sound from their reference frame.

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