Tag Archives: gravity

Super cool Galileo gravity experiment

Super cool. Galileo claimed that if there was no air, a cannonball and a feather would, if dropped, hit the ground at the same time. One of the Apollo astronauts did this experiment on the moon with a hammer and … Continue reading

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Posted in Just Too Cool | Tagged , | 18 Comments

The Hammer and The Feather

I remember watching this when I was a kid and thinking that it was very cool indeed. Today I picked it up from Astronomy Pic of the Day, which is on my daily checklist. A famous experiment compliments of Apollo … Continue reading

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Posted in Just Too Cool, Look! Up in the sky! | Tagged , , , , , , | 6 Comments