The takeaway: Experts have long warned about the threat that conventional cryptography faces from quantum computers, potentially undermining the foundational security of all digital encryption. New ...

Powerful quantum computers may be closer than scientists thought. To unleash the technology’s full power, scientists have long thought that quantum computers with millions of quantum bits, or qubits, ...

Some 30 years ago, the mathematician Peter Shor took a niche physics project — the dream of building a computer based on the counterintuitive rules of quantum mechanics — and shook the world. Shor ...