A small mathematical revision to quantum mechanics could effectively limit the purported infinite capacities of quantum computers—if validated, that is.

By Hera Rizwan This series was supported by the Pulitzer Center. The community health worker lifts her smartphone toward the woman's face and waits. The screen flashes: "Face not matched". She tries ...

Technology is accelerating crime, making it more global and more harmful, the head of the UK’s National Crime sgency said ...