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feb 7, 420 BC - Democritus

Description:

he first came up with idea of atom, the smallest particle, while taking a walk on a beach and crushing the sand. (father of the atoms)

Added to timeline:

Atomic History_Kim

3 Oct 2018

0

0

490

Date:

feb 7, 420 BC

Now

~ 2448 years ago

Images:

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