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 – ...

Understand the kinematic equations and how they are derived from fundamental principles of motion. This video clearly explains displacement, velocity, acceleration, and time relationships, making it ...

For this month's issue of Physics Today, I wrote about a new experiment using molecules as a probe of fundamental forces. As I was researching the topic, I was amazed to learn how little is known ...

In this video, we explain the capstan equation and how friction affects a rope or string wrapped around a surface. You’ll learn where the equation comes from, what each term means, and how it’s ...

The renowned cosmologist wants to make the ideas of modern physics accessible to anyone who’s willing to do a bit of extra thinking. The following is an excerpt from The Biggest Ideas in the Universe: ...

Equations are ordered, elegant mathematical constructs used to describe specific patterns. Can you imagine some formulas depict the very opposite: chaos and randomness? What's more intriguing, they ...

An introduction to modern theories of the universe and its evolution. Topics include naked eye observation, the solar system, stars, galaxies, and cosmology. Emphasis will be placed on the scientific ...