Every online bank transfer, private message and Bitcoin transaction rests on the assumption that some math problems are practically impossible to solve. Quantum computers threaten to flip that ...

Satellites are the invisible backbone of modern life. They guide airplanes, help us find our way with GPS, deliver TV and internet, and even help emergency services respond to disasters. But a new ...

Algorithms called phantom codes could help quantum computers run complex programs without errors, overcoming a big hurdle for making the technology more broadly useful. Many popular error-correcting ...