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> height of hubris is to think that working engineering solutions have to come from deep understanding of how nature solves the problem.

It is basically understood how "nature solves the problem". It does that by evolution. And what is machine learning and neural networks but artificial evolution?

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> It is basically understood how "nature solves the problem". It does that by evolution.

Also known as throwing shit at a wall to see what sticks. Evolution is dumb, but it brute-forces its way down the optimization gradients by sheer fucking scale of having turned the entire surface of this planet into tiny, imperfectly self-replicating machines.

Nothing of the sort -- it's best characterized as learning, like it says in the name.

You only save the changes that improve the loss values no? Those are the survivors whose progeny go on to the next iteration.

Something like a GAN is closer to what we'd consider evolution.

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