When you shine a flashlight into a glass of water, the beam bends. That simple observation, familiar since ancient times, ...

This series of short explainer films with Professor Brian Cox comprises six clips focused on forces, speed and motion. Each ...

Irish physicist William Rowan Hamilton’s pioneering work contained hints of the enigmatic wave–particle duality that governs the universe.

This is a preview. Log in through your library . Abstract The purpose of this paper is to obtain equations of motion for a system of massive bodies of finite size moving in the gravitational field of ...