Q: What is quantum supremacy? Is it awesome or worrisome?

Q: What is quantum supremacy? Is it awesome or worrisome?

Quantum supremacy is a historical milestone more than anything, when a quantum computer manages to do a calculation that no classical computer is likely to ever match. Simulating random quantum circuits using a quantum computer might seem silly, but only because it is. The same phenomena that makes quantum computation exponentially complex also makes quantum systems exponentially difficult to simulate. So this is a great opportunity for quantum computers to step in and do the thing they do best: act quantum. And yet, quantum computers are not usually exponentially more powerful or faster than classical computers.

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