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  1. Aug 15, 2004 · Democritus. First published Sun Aug 15, 2004; substantive revision Sat Jan 7, 2023. Democritus, known in antiquity as the ‘laughing philosopher’ because of his emphasis on the value of ‘cheerfulness,’ was one of the two founders of ancient atomist theory. He elaborated a system originated by his teacher Leucippus into a materialist ...

  2. Sep 20, 2022 · One of these philosophers was Democritus (~460-370 B.C.E.), often referred to as the "laughing philosopher" because of his emphasis on cheerfulness. He taught that there were substances called atoms and that these atoms made up all material things. The atoms were unchangeable, indestructible, and always existed. Figure 4.1.3 4.1. 3: Democritus.

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  4. Aug 26, 2020 · Aristotle disagreed with Democritus and offered his own idea of the composition of matter. According to Aristotle, everything was composed of four elements: earth, air, fire, and water. The theory of Democritus explained things better, but Aristotle was more influential, so his ideas prevailed. We had to wait almost two thousand years before ...

  5. Aug 16, 2021 · Today, Democritus' legacy continues to be felt in the field of atomic physics. His work laid the foundation for our current understanding of the structure and behavior of atoms, and his Atomic Theory is still widely accepted as correct. Democritus’s biography. Democritus was born in the city of Abdera in Thrace in 460 BCE.

  6. In chemical reactions, atoms are combined, separated, or rearranged. 4.2: Indivisible - The Atomic Theory is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by LibreTexts. You learned earlier how all matter in the universe is made out of tiny building blocks called atoms. All modern scientists accept the concept ...

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