How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

A theoretical framework predicts the emergence of non-reciprocal interactions that effectively violate Newton's third law in ...

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Scientists led by a team from the University of Chicago recently released a study that mapped some of the largest known ...

Superconductors are like the express trains in a metro system. Any electricity that "boards" a superconducting material can ...

There are two UN Conventions on Statelessness. They seek to protect people who are currently stateless and prevent and end statelessness globally. Countries decide who their nationals are, setting ...

Equipotential Surfaces: These are surfaces where the electric potential is constant. Electric field lines are always perpendicular to equipotential surfaces. Calculating the electric field at a given ...