Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

Einstein’s equations were written for chalkboards and paper, yet they now sit at the heart of some of the most visually spectacular simulations ever run on a supercomputer. By folding general ...

Meteorologist Jason Frazer demonstrates how simple, food-based experiments can make weather science engaging for kids and ...

When two black holes merge or two neutron stars collide, gravitational waves can be generated. They spread at the speed of ...