Enjoy an Entertaining and Free Pdf Book on Physics, the Science of Motion:

zip pdf Free download of the 5 pdf volumes of the Motion Mountain Physics Textbook. The 2021 edition, a single zip file with ca. 520 MB, is in full colour and contains many films, stories and facts: every one of the over 2000 pages is wonderful and captivating.

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Explore the motion of plants, animals, lightning, satellites, charges, light and empty space itself! Be fascinated by molecular motors, black holes, the beauty of nature and the simplicity of how it works: Explore the principle of cosmic laziness – least action –, the maximum speed, the largest distance, the highest power, and gauge symmetry, the symmetry that explains electric motors, radioactivity and quarks!

The original English edition has been improved for 30 years. Various volumes are available in Serbian, Arabic, French, Italian, Japanese, Vietnamese and Spanish. All are free.

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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. Enjoy many wonderful puzzles about nature. Read about the great advances in our understanding of the processes that surround us. Learn how the story of the universe shapes our night sky, the Sun, our landscape, our bodies and all the atoms that make it up. Find interesting experiments to repeat. Explore the power of the concepts that are used in physics. If you are between the age of 16 and 106, you will enjoy reading this physics book. These videos show why. If you want even more motivation and an even longer overview of the wonderful stories and adventures that await you, read this section.

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The volumes of the 2021 edition tell about the race to make images floating in mid-air with lasers, tell about the sound of falling batteries, tell about how to measure images on the eye's retina in living humans, tell about the sounds deep inside the Earth, show the possibilities of very long baseline interferometry for testing general relativity, includes the new definition of the kilogram and the other SI units, lists the effects of weightlessness on cosmonauts, show how to multiply with fingers, explain how physics helps with basketball, and present many other stunning images, facts and stories about motion of things, shadows, light, stars, planets, black holes and quantum particles.

Download the files separately here:

Physics pdfFree download of volume I - FALL, FLOW AND HEAT         (260 MB).

Physics pdfFree download of volume II - RELATIVITY AND COSMOLOGY         (50 MB).

Physics pdfFree download of volume III - LIGHT, CHARGES AND BRAINS         (80 MB).

Physics pdfFree download of volume IV - THE QUANTUM OF CHANGE         (38 MB).

Physics pdfFree download of volume V - MOTION INSIDE MATTER: PLEASURE, TECHNOLOGY AND STARS         (85 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 400 000 times.

Entertaining and surprising on every page, the five pdf files tell about

  1. Sport, raindrops and animal life: mechanics, gravity and heat,
  2. Moving empty space and the sky at night: relativity and the structure of the universe,
  3. Lightning, lasers and nerves: electricity, optics, the brain, language and truth,
  4. Colours and the quantum of change: quantum physics and light quanta.
  5. Pleasure and the stars: biophysics, nuclear physics and radioactivity.

Prizes and rewards are offered for solving a number of challenges and for helping to improve the text.

News. Motion Mountain occasionally twitters at https://twitter.com/PhysicsFree.