xkcd's What If? youtube.com
Video: Could we survive eating only humans? [2:38]
youtube.com·32w
How detailed would the Hubbles images be if it looked at Earth?
youtube.com·33w
Could the Hubble take a photo of you?
youtube.com·34w
What if the Moon were made entirely of electrons?
youtube.com·35w
How fast could a vehicle go around a track - but the racer does not have to survive.
youtube.com·36w
How fast could a human accellerate (while staying alive)?
youtube.com·37w
Video: What if you had a mole of moles? [4:34]
youtube.com·38w
Petition to send a swimming pool to the moon!
youtube.com·39w
Circumference pop quiz!
youtube.com·40w
Could this be the last surviving human light source?
youtube.com·41w

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