Quantum computing is widely believed to be a revolutionary new technology. In fact, it is a double-edged sword. If efficient ...

Imagine the tap of a card that bought you a cup of coffee this morning also let a hacker halfway across the world access your bank account and buy themselves whatever they liked. Now imagine it wasn’t ...

QUANTUM COMPUTERS, which exploit strange properties of the subatomic realm to crunch numbers in powerful new ways, do not actually work yet. But if and when they do start working, they will be able to ...