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Controlling a tokamak: https://news.ycombinator.com/item?id=30379973

AlphaZero is RL as well.

Isn't that the sort of thing you thought of as a kid when thinking of AI, rather than "here's another way to serve ads and make hopefully-not-racist financial decisions"?

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Tokomak control has some RL experiments but it is definitely not the only way.

AlphaZero is… not quite a practical application.

I am a big believer in using AI to improve the world, but RL is just a direction that isn’t yet sufficiently mature. I think they still need their convnet/transformer moment.

Kids are dumb. The real value of machine learning is mundane business decisions that used to rely an poorly informed gut feelings or painstaking manual efforts

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