Space Time: The Nature of Nothing

in #video7 years ago (edited)

Space Time: The Nature of Nothing (16 mins)
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PBS Space Time, Published on 19 Oct 2017

How do we study nothing? An empty jar still contains something: molecules of air and a bath of infrared light from its warm environment. But what if we suck out every last molecule of air, chill the jar to absolute zero, and shield it from all external radiation? The jar would contain only empty space, but it turns out that empty space is far from nothing.

Written and Hosted by Matt O'Dowd

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