Is There Poop on the Moon?
What else did we leave on the moon? Smarter Every Day explains: bit.ly
Play with a corner reflector: dft.ba
US Space and Rocket Center: spacecamp.com
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Minute Physics provides an energetic and entertaining view of old and new problems in physics — all in a minute!
Music by Nathaniel Schroeder soundcloud.com
Thanks to Nima Doroud for contributions and to Perimeter Institute for support.