Quantum Computing: Between Hope and Hype

Scott Aaronson at Shtetl-Optimized:

When Rafi invited me to open this event, it sounded like he wanted big-picture pontification more than technical results, which is just as well, since I’m getting old for the latter. Also, I’m just now getting back into quantum computing after a two-year leave at OpenAI to think about the theoretical foundations of AI safety. Luckily for me, that was a relaxing experience, since not much happened in AI these past two years. [Pause for laughs] So then, did anything happen in quantum computing while I was away?

This, of course, has been an extraordinary time for both quantum computing and AI, and not only because the two fields were mentioned for the first time in an American presidential debate (along with, I think, the problem of immigrants eating pets). But it’s extraordinary for quantum computing and for AI in very different ways. In AI, practice is wildly ahead of theory, and there’s a race for scientific understanding to catch up to where we’ve gotten via the pure scaling of neural nets and the compute and data used to train them. In quantum computing, it’s just the opposite: there’s right now a race for practice to catch up to where theory has been since the mid-1990s.

More here.

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