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#112 – Ian Hutchinson: Nuclear Fusion, Plasma Physics, and Religion
Lex Fridman Podcast
Nuclear Fusion Reactors on Earth
On Earth, how do you create a fusion reaction? Well, nature's fusion reactors are indeed the stars. And they reach the point where they release more energy from those reactions. Then they lose by radiation and transport to the surface and so forth. So that's why you can do something like that in the sun. So we can build the sun. That's one way to do it. But what we need to do on Earth is to use magnetic fields to confine the plasma. On Earth gravity is extremely weak. I mean, I don't mean to say we don't fall. The mutual gravitational attraction of small objects is very weak compared with the electrical repulsion or any other force
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