From the times of the ancient Greeks to modern day, scientist have argued the concepts behind matter. During the time of Aristotle, philosophers created scientific theories based on logic alone, eliminating all scientific evidence. This is when Democritus proposed his theory. Later, Dalton proposed his theory after completing experiments about matter. Democritus's theory was the theory of atomos. He claimed that atomos were particles so small that they could no longer be divided. Democritus also claimed that not all atomos are the same. For example, the "Early Ideas about Matter from Democritus to Dalton" article stated that Democritus said the atomos in stone were different from the atomos in fur. Democritus' ideas were advanced for his
