31 mayo 465 año aC - 465 BC: A Greek philosopher, Democritus, also known as the father, of atomic thought came up of a theory in 465BC. He hypothesized that the universe is composed of two elements: the atoms and the void in which they exist and move. He deduced that all matter is made of an infinite amount of invisible atoms that vary in size, density, shape, and temperature.
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31 mayo 465 año aC
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