Motion Mountain

The free physics textbook

Wonder and Thrill on Every Page
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An entertaining and free e-book introducing physics – the science of motion!

Motion Mountain cover Motion Mountain page 136 Motion Mountain page 91 Motion Mountain page 148 Motion Mountain page 152 Motion Mountain page 74 Motion Mountain page 153 Motion Mountain page 279

Explore the motion of wheels, birds, lightning, planets, light and empty space itself! Be fascinated by the beauty of nature and by the concepts of modern physics, from the principle of cosmic laziness – least action – to gauge symmetry – the symmetry of charges and quarks!

zippdf Click here for the free download of all 6 pdf volumes of the Motion Mountain Physics Textbook (new edition 27.06 of Autumn 2014) in full colour, with embedded films and animations. This is one single zip file with ca. 300 MB. Every page is wonderful and captivating.

Find out what fireworks, mobile phones and butterflies have in common, how muscles work, how colours appear, how levitation is possible, why we can see the stars, and which problems in physics are still unsolved. If you are between the age of 16 and 106, you will enjoy it. These videos show why.

For a PRESENT to yourself or to others, buy a PAPER edition at Amazon, at Createspace, or at Lulu.

New in this 27th edition: a video that shows how monster waves appear on the sea, the first device that is able to measure locally the speed of molecules in a sound wave, a pressure puzzle, the physics of blood circulation, why some women can see more colours than any man, how to detect alcohol exhaled by a driver in a car driving by, details on the swimming of fish, and the most beautiful hologram made so far.

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Download the files separately here, without a captcha:

pdf  Download volume I - FALL, FLOW AND HEAT         (138 MB).

pdf  Download volume II - RELATIVITY         (47 MB).

pdf  Download volume III - LIGHT, CHARGES AND BRAINS         (65 MB).

pdf  Download volume IV - THE QUANTUM OF CHANGE         (34 MB).

pdf  Download volume V - PLEASURE, TECHNOLOGY AND STARS         (75 MB).

pdf  Download volume VI - THE STRAND MODEL – A SPECULATION ON UNIFICATION         (22 MB).

Motion Mountain is written for pupils, students, teachers and anybody curious about nature: the text is full of telling anecdotes, captivating riddles, unusual tables, astonishing photographs and beautiful films. It has been downloaded over 200 000 times.  

For online reading, click here.

Entertaining and surprising on every page, the pdf files tell about sport, raindrops and animal life (mechanics, gravity and heat), about moving empty space and the sky at night (relativity 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).


The sixth and last volume presents, in contrast to the previous ones, a research topic; it tells about the search for a final, unified theory of physics.

Tablet reading is possible:

Prizes and rewards are offered for solving a number of challenges and for helping to improve the text. You will be mentioned in the index and in the acknowledgements.


Can you help to expand them?

Please consider a donation to the charitable, non-profit, tax-exempt publisher if you like my book:

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The proper use of your donation is controlled by the German tax authority. No profit is or has ever been made: Of the sum spent for this project so far, less than a quarter has been covered by donations.

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