Instructional Video12:21
SciShow

6 Weird Units of Measurement We're Still Using for Some Reason

12th - Higher Ed
You might be benefiting from the weird units you've never heard every time you put on your shoes or read about dark matter.
Instructional Video5:58
Higgsino Physics

How Atomic Physics Started

12th - Higher Ed
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...
Audio
University of Houston

University of Houston: Engines of Our Ingenuity: Lucretius

9th - 10th
A discussion of how Lucretius's view of matter as composed of individual atoms preceeded modern thought by almost 2000 years.