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Christoph Schiller
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Strands seem to allow estimating the fine structure constant 1/137.03...- as well as the other parameters of the standard model.

Strands predict that general relativity and the standard model of particle physics are all there is. No other gauge groups, no other particles and no physics beyond the standard model appears.

A summary on 16 slides is given here (3 MB):
http://www.motionmountain.net/Schiller-Strand-Colour-Talk.pdf

The slides give an introduction to a simple Planck-scale model of nature that reproduces all known physics, from black hole entropy to general relativity, from the Dirac equation to the three particle generations and the three gauge groups. The model also seems to allow estimating particle masses, particle mixings and coupling constants, among which is the famous fine structure constant 1/137.03...
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Be amazed by motion in nature! The 2018 edition of the free Motion Mountain physics book can now be downloaded at www.motionmountain.net .

5 free pdf volumes let you explore the motion of plants, animals, lightning, planets, light, particles and empty space itself! Be fascinated by molecular motors, black holes, the beauty of nature and of the concepts of physics, from the principle of cosmic laziness – least action – to gauge symmetry, the symmetry of charges and quarks!

The volumes of the 2018 edition now also tell how to rotate a ball glued into a soft mattress for ever and ever - and challenges you to be the first to film this feat; they show how to create floating images with a simple toy, explain that usual light bulbs produce speeds faster than light when switched on, tell about why it is correct to say that the sun has already set when we see it just touching the horizon in the evening, challenge you to build a high-precision ball-chain or `Netwon's cradle', show that a formula for pi is hidden in the hydrogen spectrum, provide more fun with quantum physics and colours, tell about noise-producing plants, ask about the Spanish burton and the fool's tackle, present the measurement unit for the spiciness of chili peppers, and present many other stunning images, facts and stories about motion of things, animals, light, stars, shadows, black holes and quantum particles. Enjoy!
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The free volume "The Quantum of Change" is an introduction into quantum physics. The free pdf file contains many pictures and photographs. Written for beginners, it presents the world of quantum effects in a way that is surprising and challenging on every page. This is the 4th volume about the Adventure of Physics.

The volume is now available in Vietnamese, translated by Cao Sĩ Sơn, on the page http://www.motionmountain.net/vietnamese.html The title of the translation: Lượng tử biến đổi.
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The illustration at the basis of the free physics textbook is called the Bronstein cube or the Bronshtein cube nowadays. It shows how to proceed from everyday physics (bottom) to the more precise descriptions of motion, up to the still unknown final theory (top). Enjoy!
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The free 2017 edition of the Motion Mountain Physics Book series is now online at

http://www.motionmountain.net

These free pdf volumes now present the bouncing ball puzzle and the six match puzzle, provide details about the Moon's orbit, explain new results on the rheology of blood, add a photograph of the shadow of the Earth at the South Pole, tell more about flower symmetry, present the maximum possible Laypunov exponent, explain that usual light bulbs produce speeds faster than light when switched on, explain how to multiply with fingers, have more fun with quantum physics and colours, and much more.

The pdf files promise to be entertaining and surprising on every page. Enjoy!

Christoph Schiller

P.S. An updated full colour paper edition, and updated black-and-white paper edition, and a kindle edition are available.
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Dear Physics Friend,

edition 29 of the free pdf physics text is now online at

http://www.motionmountain.net

The five textbook volumes now contain a movie of the heart beat of a mouse embryo and high-resolution images of the human retina taken with optical coherence tomography, warn about the dangers of inhaling helium, tells how to count the molecules in air by looking at a distant mountain, include the weight puzzle, the fuse puzzle and curiosities about relativistic
relative velocity, tell how to make floating water bridges, tell more on the reduced drag experienced by a bicycle rider when a motorcycle rides just behind him, explain the motion of trees when they wake up in the morning (no joke), describe the dangers of electric eels, tell about knots in field lines, pose the puzzle about the tongues of flying dragons, tell about the electronium model of atoms, present the puzzle of the parabola of safety, explain what physicists have in common with smurfs, tell about the electric fields in and around plants, introduce the lowest known acceleration, propose the brick thread puzzle, present the polhode, the polar motion of a tumbling brick, the animal symmetry puzzle, include several new and stunning images of the Sun, and much more.

The additional sixth volume on physics research has been updated.

Enjoy!


Christoph Schiller


P.S: Thank you to all readers for the many corrections and suggestions, and to all supporters for the permissions to use images and films.
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The volume on relativity of Motion Mountain, the free physics textbook, is now available in Japanese, thanks to the admirable work by Megumi Hirooka:

Free download of the Japanese pdf file, with colour films and images, is possible from http://www.motionmountain.net/japanese.html
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Look at this animation and experience the fascination of the belt trick and of tethered rotation:

http://entropygames.net/images/dodecatwist.gif

Thank you to Jason Hise for producing this animation and for allowing me to use it in the first volume of the free Motion Mountain Physics Text.
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