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! In this episode of Crash Course Physics, Shini talks to us about Thermodynamics and Entropy. Also, we learn about Isovolumetric, Isobaric, Isothermal, and Adiabatic processes. It'll all make sense in a minute!

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