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this is wild. taking a metaphor and making it a physical object and then... that actually works? techbriefs.com/component/content/article/tb/techbriefs/photonics-optics/33676
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thinking of that famous FPGA genetic algorithm paper, where the output was a circuit where some of the components were not electrically connected, yet were vital to the successful operation
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or that one where they put a tank of water into the NN classifier (sounds go in, pictures of waves come out), and it helped