He said that everything in the world was made up of tiny bits, surrounded by empty space. He also said that these bits vary in size and shape. He called them "atomos". Most of the scientists during that time disagreed with him. (31 dic 441 año aC – 6 sept 440 año aC)
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fecha:
31 dic 441 año aC
6 sept 440 año aC
~ 1 years and 3 months