Can beautiful ideas drive science? In A Beautiful Question, physicist and Nobel laureate Frank Wilczek makes a potent case that they can, hinging on qualities that have served as pathfinders to ...

Segment 4A: Momentum and Impulse We define the terms momentum and impulse. Segment 4A: Momentum and Impulse We define the terms momentum and impulse. We see the impulse-momentum theorem in action by ...

British theoretical physicist Paul Dirac was one of the most significant figures in the early days of quantum physics, who along with Erwin Schrödinger won the Nobel Prize for physics in 1933. But it ...