Physics formulæ from The Physics Hypertextbook

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Ten Equations that changed the world. (You once told me that some day you wanted me to tell you all about science and engineering. How long have you got? It's all so fascinating and we take it too much for granted.)

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Physical Units Poster

From our Science poster range, the Physical Units Poster is a great educational resource that helps improve understanding and reinforce learning.

Useful equations

(General formula sheet helpful for students of physics (statistical mechanicals, electrostatics, quantum mechanics, electrodynamics)


oFrom dark energy and string theory to the end of the Universe, these are the unanswered cosmic conundra that are still baffling scientists.

The complex physics of that viral water bottle trick, explained

You see it every where kids flipping bottles, they even have a bottle flipping app game, but do your students know the science behind it?

Physics Symbols | The Greek Alphabet and Common Physics Symbols

Learn Greek letter by letter with this easy introduction and handy chart listing all the letters of the Greek alphabet.

Infographic: How Lightning Works

Infographic: How Lightning Works

Scientists know the basics of what happens during a lightning strike. But the details remain hazy.

Funny cartoon about the states of matter- chemistry or physical science

Beatrice the Biologist! Cultivating curiosity and appreciation for science and nature one giggle at a time. Atoms, Molecules, States of Matter.

It’s so simple…

It’s so simple…

An explanation for every major physics equation and their implications, it is the epitome of physics and is used here to represent it.

How light works

The Enduring Mystery of Light

The light we see is a tiny fraction of the electromagnetic spectrum. From radio waves to gamma rays, light delivers radio and TV and can destroy DNA or pass right through us.