Physics Terms

Major physics terms are explained in these articles. Here you can learn about some of the fundamental physics concepts.

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Under the right conditions, hot water can somehow freeze faster than cold water. It's called the Mpemba effect. We'll explain how it happens.

By Dylan Ris

Questions, theories and debates about quantum physics can get muddled because of a number of myths and misconceptions. Here are four of them.

By Alessandro Fedrizzi & Mehul Malik

Einstein famously called the phenomenon "spooky action at a distance," and physicists just won the Nobel Prize for their work on it, but what is quantum entanglement?

By Andreas Muller


The world often seems chaotic and events appear to occur randomly, but what's the difference between chaos and randomness?

By Mitchell Newberry

Planck's constant, which made an appearance in the Netflix series "Stranger Things," is one of the most important differences between reality at the atomic and subatomic level and what we can see around us.

By Patrick J. Kiger

The number 137, which is significant in multiple applications, has long been an object of fascination for physicists, mathematicians and mystics.

By Patrick J. Kiger

When life gives you water and pH and color data ... make lemonade?

By Shelley Danzy


Moore's longstanding law might have only a few years left as far as cramming more stuff into a square inch of silicon. But what if you cram upward?

By Jonathan Strickland

These super common, nearly massless subatomic particles shoot across space at near the speed of light. And they could help us to understand dark matter.

By Lauren Vogelbaum

Frequency has to do with wave speed and wavelength is a measurement of a wave's span. Learn how frequency and wavelength of light are related in this article.

By Contributors