Monash University researchers have extended Descartes’ Circle Theorem by finding a general equation for any number of tangent ...

How gravity causes a perfectly spherical ball to roll down an inclined plane is part of the elementary school physics canon. But the world is messier than a textbook.

This special issue is open to different formats, including academic essays, roundtables, readings, interviews and video essays. How to Get Rid of Pimples. New York: Top Stories, [1984] 2021. Photos by ...

The negative curvature of space that underlies such lattices invalidates the familiar Bloch theorem of ordinary solid-state physics. In this work, we prove rigorous Bloch theorems for hyperbolic ...