Thermodynamics: Crash Course Physics #23

Have you ever heard of a Perpetual Motion Machine? More to the point, have you ever heard of why Perpetual Motion Machines are impossible? One of the reasons is because of the first law of thermodynamics!

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Astrophysics and Cosmology: Crash Course Physics #46

Let's talk about astrophysics, cosmology and how our universe works.

Nuclear Physics: Crash Course Physics #45

Let's talk Einstein and Nuclear Physics. What does E=MC2 actually mean? Why is it useful?

Quantum Mechanics - Part 2: Crash Course Physics #44

Why is e=mc2 such a big deal? And what about this grumpy cat in a box and probability?