Astronaut shows what happens when you drop a hammer and feather at the same time on the moon

Astronaut David Scott re-created, in 1971 during the Apollo 15 mission, Galileo's "falling bodies" experiment by dropping a hammer and feather on the moon at the same time. Simply, both fell at the same rate because there was no air resistance.

screengrab via Wonders of Physics/YouTube

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VIDEO: You can't hammer a nail over the internet (yet)

Economist Alan Blinder famously quipped, "You can't hammer a nail over the internet." YouTuber TheGoodRobot created this tongue-in-cheek attempt to prove Blinder right. Read the rest