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amplituhedron

Mathematician Lauren Williams standing in front of a whiteboard that has mathematics written on it.
combinatorics

A Mathematician’s Unanticipated Journey Through the Physical World

December 16, 2020

Lauren Williams has charted an adventurous mathematical career out of the pieces of a fundamental object called the positive Grassmannian.

Physics

Visions of Future Physics

September 22, 2015

Nima Arkani-Hamed is championing a campaign to build the world’s largest particle collider, even as he pursues a new vision of the laws of nature.

Illustration of an amplituhedron.
theoretical physics

A Jewel at the Heart of Quantum Physics

September 17, 2013

Physicists have discovered a jewel-shaped geometric object that challenges the notion that space and time are fundamental constituents of nature.