Watch Astronauts Playing with a Fidget Spinner in Space

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On Friday, NASA astronaut Randy Bresnik posted a video of himself and some of his astronaut pals taking Newton’s laws of motion for a test ride by messing with a fidget spinner aboard the International Space Station.

In the video’s caption, Bresnik explains why the fidget spinner goes so crazy in space:

Allowing the fidget spinner to float reduces the bearing friction by permitting the rate of the central ring and outer spinner to equalize, and the whole thing spins as a unit.

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