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SciShow
6 Weird Units of Measurement We're Still Using for Some Reason
You might be benefiting from the weird units you've never heard every time you put on your shoes or read about dark matter.
Higgsino Physics
How Atomic Physics Started
Early atomic physics - the development of the first ideas. The first ideas started with Democritus: atom is unsplittable. Then John Dalton Law of constant proportions. Avogadro: Molecular theory of gas laws. Prout's hydrogen weight...
University of Houston
University of Houston: Engines of Our Ingenuity: Lucretius
A discussion of how Lucretius's view of matter as composed of individual atoms preceeded modern thought by almost 2000 years.