Not that physicists have stopped trying. In their attempts to make sense of quantum weirdness, they have come up with a host of different interpretations of the mathematics at the theory’s heart.

Berezovsky relishes building experiments that cross quantum weirdness with practical materials science. "We have to grapple with these questions about how the macroscopic world is quantum," he said.

that store and process information at scales where quantum weirdness holds sway 7. When I give talks about quantum computers, every now and then a member of the audience will object that quantum ...