Recently a journalist asked me why we don’t yet have quantum computers. Since I get that question, in some form, at least 300 times per day, I thought it might be worthwhile to collect my thoughts about it in one place. The essay below doesn’t say anything that I and others in the field haven’t said many times before, so hardcore Shtetl-Optimized fans should probably skip it. (Don’t worry, I’ll let y’all know when I have something new to say and am reckless enough to say it.)
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