Quantum computers would be exceptionally fast
at a few specific tasks, but it appears that for most problems they would outclass today's computers only modestly. This realization may lead to a new fundamental physical principle
Haggar Physicists Develop ‘Quantum Slacks,’ ” read a headline in the satirical weekly the Onion. By exploiting a bizarre “Schrödinger’s Pants” duality, the article explained, these non-Newtonian pants could paradoxically behave like formal wear and casual wear at the same time. Onion writers were apparently spoofing the breathless articles about quantum computing that have filled the popular science press for a decade.