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#380 – Neil Gershenfeld: Self-Replicating Robots and the Future of Fabrication
Lex Fridman Podcast
The Maxwell's Demon
Maxwell's demon is this simple, but infamous problem where right now in this room we're surrounded by molecules and they run at different velocities. Leo Szilard around early 1900s was a deep physicist who then had a lot to do with also post-war anti-nuclear things. But he reduced Maxwell's demon to a single molecule. So the question is which side of the partition is it on. That led to the idea of one bit of information. And so you close that, you make an engine and you make energy. The demon is violating thermodynamics because it's never touching the molecule yet by just opening and closing the door it can make arbitrary amounts of energy and
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