THE powerful mathematical framework for understanding complex quantum operators is rooted in a field called “quantum harmonic analysis.” That’s a mouthful. These three words lumped in one phrase ...

Encryption—the process of sending a scrambled message that only the intended recipient’s device can decode—allows private and public sectors alike to safeguard information. Traditional encryption uses ...

Over the past century, quantum field theory has proved to be the single most sweeping and successful physical theory ever invented. It is an umbrella term that encompasses many specific quantum field ...