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The Physics of Life, Episode 1: A Theoretical Path through Physics and Math

The Meaning Code

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Is There Any Physical Equivalent to the Idea of Metabolism?

Life as we know it requires an input of energy. And that energy is then metabolized. So is there, there has to be a system for the metabolism to happen? That requires little molecular machines. It requires all kinds of things. Is there any physical equivalent to the idea of metabolism? Probably not, right? You know, just in the world of physics. There is. A Maxwell's demon harvests energy from its environment by the choices it makes. We're harvesting the energy that's been collected into the molecules of whatever poor creature or eating.

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