MOTION MOUNTAIN

THE FREE PHYSICS TEXTBOOK

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cover What do fireworks, love and butterflies have in common? How do muscles work?

How do colours appear? What kinds of levitation are possible? Why can we see the stars? Is time travel possible? What is the maximum force found in nature? Which problems in physics are still open? This free physics textbook provides the answers – and guarantees as much wonder, suspense and pleasure as whatever else you enjoy most in life.

Enjoy this free ebook in six colour pdf files on physics, the science of motion.
Explore the motion of rain drops, muscles, animals, lightning, stars, light and empty space itself!
Be fascinated by the beauty of nature and the concepts of modern physics, from the principle of cosmic lazyness – least action – to gauge symmetry!

pdfpdf  Click here to download all 6 pdf volumes of the free Motion Mountain Physics Textbook (edition 25, new and expanded, of Spring 2012) as a single zip file, in full colour, with embedded films and animations, in English. Attention, large file: 180 MB. Every page is wonderful and captivating – promised!

For online reading, smaller files, a paper edition, reporting misprints, or downloading translations, click here.

The pdf files tell, using hundreds of colour pictures and embedded films, about sport and animal life (mechanics, gravity and heat), about the sky at night (relatvity and the structure of the universe), about lightning, lasers and nerves (electricity, optics, the brain, language and truth), and about colours, pleasure and the stars (quantum physics, nuclear physics and radioactivity). If you are interested, a separate volume tells about the search for a final, unified theory of physics.

The text guarantees to be entertaining, surprising and challenging on every page. With little mathematics, starting from observations of everyday life, the text presents the best stories, images, movies and puzzles in physics. If you are between the age of 16 and 106, you will enjoy it. These videos show why.

Motion Mountain is written for pupils, students, teachers and anybody curious about nature. It has been downloaded far over 100 000 times. A number of younger readers liked it so much that they decided to study physics at university. You can order a paper edition delivered to your home here.

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To donate to the project – ongoing since 1990 – click here.

If you provide good and extensive feedback on how to improve the text you will receive a free paper copy.