[D] Analog AI

I came across this concept a few years ago but have not seen many advancements since. However, with the increased use of AI-powered technology, it would only make sense to create more power-efficient hardware to speed up the cloud infrastructure and make local inference possible and more accessible. 

With [Hinton's (2022)](https://arxiv.org/abs/2212.13345) forward-forward algorithm, it seemed to me like we were getting closer to creating an analog AI that could also learn, but haven't seen any interesting results.

Recently, I learned …

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