Do the equations of physics find their way into the daily life of a cat? This is the intriguing question posed by Anxo Biasi, a researcher at the Instituto Galego de Física de Altas Enerxías. Inspired ...

Scalar quantities have only magnitude (size). For example, 11 m and 15 m s-1 are both scalar quantities.

A red and a blue snooker ball both have a mass of 160 g. They collide with speeds and directions as shown in this diagram. The following steps show you how to calculate the velocity of the red ball ...

Lowry Kirkby reviews The Theoretical Minimum: What You Need to Know to Start Doing Physics by Leonard Susskind and George Hrabovsky Thirst for physics: Leonard Susskind's popular series of lectures ...

Maxwell’s equations of electromagnetism and the Euler equation top a poll to find the greatest equations of all time. Robert P Crease discusses the results of his reader survey First among equals – ...