information theory

On nights and weekends, Justin Gilmer attacked an old question in pure math using the tools of information theory.

Computer scientists this year learned how to transmit perfect secrets, why transformers seem so good at everything, and how to improve on decades-old algorithms (with a little help from AI).

A team of physicists has entangled three photons over a considerable distance, which could lead to more powerful quantum cryptography.

Harry Halpin wants our internet conversations to be more private. He’s helped create a new kind of network that might make it possible.

A simple geometric idea has been used to power advances in information theory, cryptography and even blockchain technology.

What’s a message, really? Claude Shannon recognized that the elemental ingredient is surprise.

Mark Braverman has spent his career translating thorny problems into the language of information complexity.

A bit of information theory can help you analyze — and improve — your Wordle game.

Vijay Balasubramanian investigates whether the fabric of the universe might be built from information, and what it means that physicists can even ask such a question.