Atomic Theory Veritasium : Season 2 Episode 1
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Aired: January 7th, 2011 @ 12:00 AM EST on YouTube
This is the first Veritasium science video. It addresses one of the most fundamental concepts in science: the idea that all things are made of atoms, tiny particles that are in perpetual motion. They attract each other when a little distance apart and repel when squeezed together.