Information theory

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.

A new result shows that quantum information can theoretically be protected from errors just as well as classical information can.

By carefully constructing a multidimensional and well-connected graph, a team of researchers has finally created a long-sought locally testable code that can immediately betray whether it’s been corrupted.

The thorny thought experiment has been turned into a real experiment — one that physicists use to probe the physics of information.

Today’s information age is only possible thanks to the groundbreaking work of a lone genius.