science

Quantum Computing Is Real. It Is Also Widely Misunderstood.

Every few months a headline announces that quantum computing has achieved something momentous. Occasionally it has. More often the claim rests on a carefully chosen benchmark, an experimental condition that does not generalise, or a definition of "quantum advantage" that would surprise the researchers who coined the term. The gap between what quantum computing is and what people believe it is has grown large enough to matter.