Free Energy is Not What You Think.

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Let’s talk about free energy, because as with many ideas in science, the name can occasionally result in some real misunderstandings of the concept.

The term "free energy" can be misinterpreted to mean that energy can be extracted "for free" from nothing. However this breaks the Law of Conservation of Energy. So what's going on?

In physics, free energy is just a measure of how much “useful” energy there is available within a system we’re studying. In other words it’s the amount of energy available to do work, rather than be wasted as heat.

In this video, we understand how free energy works by comparing the available energy, useful energy, and wasted energy, expended by atheletes. Shout out to Jasprit Bumrah, Goh V Shem, and Janja Garnbret.

We also understand that there are more intricacies to free energy, and look at two different types of free energy - Helmholtz and Gibbs. The Gibbs version even used to be called "available energy" before we renamed it after the scientist who discovered it.

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Chapters:
0:00 - Free energy is not free!
0:52 - Jasprit Bumrah, Goh V Shem, and Janja Garnbret explain physics
1:48 - Types of free energy