Zoom: How Everything Moves
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Why does it take so long for thick ice to form? How slowly do stalactites grow? How much lower is a bee's buzz than a mosquito's? Why can we see the flicker in old silent movies? The answers to such questions are revealed as astronomer Bob Berman explains the myriad movements that shape the universe, from the Sombrero Galaxy, which speeds away from us at 562 miles per second, to the oscillations of water molecules.