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dec 31, 451 BC - Democritus Introduces the Atom

Description:

a Greek philosopher named Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be reached where matter could not be cut into still smaller pieces. He called these "uncuttable" pieces atomos. This is where the modern term atom comes from.

Added to timeline:

Date:

dec 31, 451 BC
Now
~ 2479 years ago