History
The trees remember: Sheepherders’ carvings preserved in the San Juan Mountains
As Hispanic sheepherders roamed the mountains, often alone for months at a time, they carved names, dates and drawings into the soft bark of aspen trees.
The Physics of Heat: Crash Course Physics #22
Explore the world of physics, motion, and energy with Dr. Shini Somara.
The Physics of Heat: Crash Course Physics #22
Season 1 Episode 22 | 9m 15s | CC
Have you ever wondered why we wear clothes? I mean, beyond the obvious. Why does wearing a jacket in the cold keep your warmer? What is happening to all the heat inside your body? In this episode of Crash Course Physics, Shini talks about the Physics of heat!
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