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261 262 263<!-- New in May 2016 --> 264<meta property="DC.Title" content="Motion Mountain - The Adventure of 265Physics"> 266<meta property="DC.Title.Alternative" content="The Free Motion Mountain 267Physics Textbook" > 268<meta property="DC.Creator" content="Christoph Schiller" > 269<meta property="DC.Publisher" content="Motion Mountain Physikverein" > 270<meta property="DC.Type" content="Book" > 271<meta property="DC.Subject" content="physics, relativity, classical mechanics, thermodynamics, quantum theory, gravitation, unification, electromagnetism, electrodynamics, particles" > 272<meta property="DC.Description" content="Motion Mountain is a free and entertaining physics textbook - 5 volumes in pdf format with more than 2732000 pages - for pupils, students, teachers and anybody interested in 274nature and motion. The text, guaranteed to be fascinating, surprising and 275challenging on every page, is a guide on the following questions: How do 276things, images and empty space move? 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481Maybe, nowadays, you are forced to remain at home. In that case, 482 |this site offers two choices:<p> 483--> 484 485<header><h3>Enjoy an Entertaining and Free Pdf Book on Physics, 486the Science of Motion:</h3> 487 488<!-- New in Feb 2015: no captcha --> <p class="tmenu"> <a class="tmenuesto" 489href="https://www.motionmountain.net/MM.zip" 490onclick="_gaq.push(['_trackEvent', 'ZIP downloads', 'Download', 491'index/MM.zip']);"><img alt="zip file of physics book" class="c7" src="IMAGES/zip-icon.png" 492width="32" height="32" > <img alt="pdf" class="c7" 493src="IMAGES/pdficon_large.png" width="32" height="32"><strong> 494Download</strong> <span style="color:black">the 5 free pdf volumes of 495the Motion Mountain Physics Textbook. The 2021 edition, a beautiful 496ebook in a single zip file with ca. 520 MB, is in full colour and 497contains many films, stories and facts: every one of the over 2000 498pages is wonderful and captivating.</span></a></p> 499 500<p> 501<img class="floatcover" alt="Motion Mountain free Physics Textbook cover" 502title="Motion Mountain free Physics Book" 503src="IMAGES/midicover.jpg" width="114" height="161" > 504<img class="floatcover" alt="Motion Mountain free Physics Book page 148" 505title="Snow Speed Records from the Motion Mountain free Physics Textbook" 506src="IMAGES/Vol1-snow.jpg" width="114" height="161" > 507<img class="floatcover" alt="Motion Mountain free Physics Textbook page 508136" 509title="Colour Types - from the Motion Mountain free Physics Book" 510src="IMAGES/Vol4-colours.jpg" width="114" height="161" > 511<img class="floatcover2" alt="Motion Mountain free Physics Book page 91" 512title="Navigation and Insects - from the Motion Mountain free Physics 513Textbook" 514src="IMAGES/Vol1-fly.jpg" width="114" height="161" > 515</p> 516 517<!-- 518 | <p>This is an open textbook and a free textbook at the same time: A 519free 520 | pdf textbook for download.</p> 521--> 522 523<p><strong>Explore</strong> the motion of plants, animals, lightning, 524satellites, charges, light and empty space itself! Be fascinated by 525molecular 526motors, black holes, the beauty of nature and the simplicity of how it 527works: 528Explore the principle of cosmic laziness â least action â, the maximum 529speed, 530the largest distance, the highest power, and gauge symmetry, the symmetry 531that 532explains electric motors, radioactivity and quarks!</p> 533 534 535<p><strong>A summary</strong> of the five volumes, and thus 536<a href="9lines.html" lang="en">of all physics, takes just 9 lines. 537Click here.</a> 538 539 540<p><B>Pledge:</B> <a href="author.html#pledge">No knowingly false or 541misleading statement is found in the text and website.</a> Truthfulness - 542combined with politeness - make the world a better place. If you find a 543mistake, please send an email. 544Feel free to block all cookies, to use private browsing or ad 545blockers, without any disadvantage. This website does not generate 546significant income. Since years, the received donations are lower than 547the costs of the internet provider. Any support is welcome. 548 549 550<p><STRONG>Translations by <a 551href="sponsors.html">volunteers</a></STRONG> are available in 552<a 553href="vietnamese.html">Vietnamese</a>, 554<a 555href="naski.html">Serbian (Latin script)</a>, 556<a 557href="arabic.html">Arabic</a>, 558<a 559href="bienvenue.html">French</a>, 560<a 561href="benvenuti.html">Italian</a>, 562<a 563href="japanese.html">Japanese</a>, 564<a 565href="persian.html">Farsi</a>, 566<a 567href="bienvenida.html">Spanish</a> and 568<a 569href="simplifiedchinese.html">Chinese</a>. 570The original English edition has been improved for over 20 years.</p> 571 572 573<p> 574<img class="floatcover" alt="Motion Mountain free Physics Textbook page 57523: 576Electricity" 577title="Electric Animals and Devices - from the Motion Mountain free 578Physics Book" 579src="IMAGES/V3-P23.jpg" width="114" height="161" > 580<img class="floatcover" alt="Motion Mountain free Physics Book page 74: 581Crystals" 582title="Crystals - from the Motion Mountain free Textbook Book" 583src="IMAGES/Vol5-p74-new.jpg" width="114" height="161" > 584<img class="floatcover" alt="Motion Mountain free Physics Textbook page 585153: 586Lunar Eclipse" 587title="Lunar Eclipse - from the Motion Mountain free Physics Book" 588src="IMAGES/P153-new.jpg" width="114" height="161" > 589<img class="floatcover2" alt="Motion Mountain free Physics Book page 279: 590Water Waves" 591title="Water Waves - from the Motion Mountain free Physics Textbook" 592src="IMAGES/P279-new.jpg" width="114" height="161" > 593</p> 594</header> 595 596<!-- 597 | <p>The text is a free physics manual and workbook, 598 | expanding notes that provide a free introduction to physics. 599 | But above all, the text is a guide to enjoying physics and nature.</p> 600--> 601 602<p><strong>The free pdf volumes of the 2021 physics textbook 603edition</strong> 604– <a href="print.html"> the paper volumes are a pretty present by the 605way</a> – tell about the race to make images floating in mid-air with 606lasers, tell about the sound of falling batteries, tell about how to 607measure images on the eye's retina in living humans, tell about the sounds 608deep inside the Earth, show the possibilities of very long baseline 609interferometry for testing general relativity, include the new definition 610of the kilogram and the other SI units, list the effects of weightlessness 611on cosmonauts, show how to multiply with fingers, explain how physics helps 612with basketball, and present many other stunning images, facts and stories 613about the motion of things, shadows, light, stars, planets, black holes and 614quantum particles.</p> 615 616 617<p> 618<img class="floatcover" alt="Motion Mountain free Physics Textbook page 619152" 620loading="lazy" src="IMAGES/Vol1-p152-new.jpg" width="114" height="161" > 621<img class="floatcover" alt="Motion Mountain free Physics Textbook page 57" 622loading="lazy" src="IMAGES/V3-P57.jpg" width="114" height="161" > 623<img class="floatcover" alt="Motion Mountain free Physics Book page 67" 624loading="lazy" src="IMAGES/V3-P67.jpg" width="114" height="161" > 625<img class="floatcover2" alt="Motion Mountain free Physics Book page 127" 626loading="lazy" src="IMAGES/V3-P127.jpg" width="114" height="161" > 627</p> 628 629<p><strong>Find out</strong> what fireworks, mobile phones and butterflies 630have in common, how muscles work, how colours appear, how levitation is 631possible, why we can see the stars, and which problems in physics are still 632unsolved. Enjoy many wonderful puzzles about nature. Read about the great 633advances in our understanding of the processes that surround us. Learn how 634the story of the universe shapes our night sky, the Sun, our landscape, our 635bodies and all the atoms that make it up. Find interesting experiments to 636repeat. Explore the power of the concepts that are used in physics.</p> 637 638<p><B>If you are</B> between the age of 16 and 106, you will <i>enjoy</i> 639reading 640these free physics books. <a href="videos.html">These videos show why.</a> 641Whether you learn or study physics at school, university or college, 642whether you are just curious about physics and want to learn about it by 643yourself, or whether you want new ideas for teaching physics, you will 644enjoy this free textbook. If you want more motivation and an overview of 645the wonderful stories and adventures that await you, <a 646href="project.html#his">read this section.</a></p> 647 648<!-- 649 | <p><strong>The volumes of the 2019 edition</strong> tell about the new 650SI 651 | unit definitions, show how to rotate a ball glued into a soft mattress 652for 653 | ever and ever - and challenge you to be the first to film this feat; 654they 655 | also show how to create floating images with a simple toy, explain that 656 | usual light bulbs produce speeds faster than light when switched on, 657tell 658 | about why it is correct to say that the sun has already set when we see 659it 660 | just touching the horizon in the evening, challenge you to build a 661 | high-precision ball-chain (`Newton's cradle'), show that a formula for 662pi 663 | is hidden in the hydrogen spectrum, provide more fun with quantum 664physics 665 | and colours, tell about noise-producing plants, ask about the Spanish 666 | burton and the fool's tackle, present the measurement unit for the 667 | spiciness of chili peppers, and present many other stunning images, 668facts 669 | and stories about motion of things, shadows, light, stars, planets, 670black 671 | holes and quantum particles.</p> 672--> 673 674<!-- 675 | <p><strong>For a present</strong> to others or to yourself,<a 676 | 677href="https://www.amazon.de/s/ref=nb_sb_noss?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&url=search-alias%3Daps&field-keywords=Motion+Mountain+physics+schiller"
678 | onclick="_gaq.push(['_trackEvent', 'Store', 'Click', 'print/store']);"> 679 | <strong>get a paper edition</strong> at Amazon (in black & white or in 680 | colour).</a> 681 | </p> 682--> 683<!-- 684 | or <a 685 | 686href="https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Ddigital-text&field-keywords=Motion+Mountain+Schiller&rh=n%3A133140011%2Ck%3AMotion+Mountain+Schiller" 687 | onclick="_gaq.push(['_trackEvent', 'Store', 'Click', 688'index/kindle']);">a 689 | Kindle version.</a> 690--> 691 692<p><strong>Entertaining and surprising on every page,</strong> the five 693free physics pdf files tell about</p> 694<p> 695<a 696href="https://www.motionmountain.net/classical.html">Vol. I: Sport, 697raindrops and 698animal life: mechanics, gravity and heat.</a> 699<br> 700<a 701href="https://www.motionmountain.net/relativity.html">Vol. II: Moving 702empty space 703and the sky at night: relativity and the structure of the universe.</a> 704<br> 705<a href="https://www.motionmountain.net/electromag.html">Vol. III: 706Lightning, 707lasers and nerves: electricity, optics, the brain, language and truth.</a> 708<br> 709<a href="quantum.html">Vol. IV: Colours and the quantum of change: quantum 710physics 711and light quanta.</a> <br> 712<a 713href="https://www.motionmountain.net/quantum.html">Vol. V: Pleasure and 714the stars: 715biophysics, nuclear physics and radioactivity.</a> 716 717 718<!-- #INCLUDE PATH="y-freevolumedownload.html" --> 719 720<p class="tmenu"> 721<a class="tmenuesto" 722href="https://www.motionmountain.net/motionmountain-volume1.pdf" 723onclick="_gaq.push(['_trackEvent', 'PDF downloads', 'Download', 724'downloadpage/Class-vol1']);"><img class="c7" alt="Physics pdf" src="IMAGES/pdficon_large.png" 725width="32" height="32" >Free download of 726volume I - FALL, FLOW AND HEAT (260 MB).</a> 727</p> 728 729<p class="tmenu"> 730<a class="tmenuesto" 731href="https://www.motionmountain.net/motionmountain-volume2.pdf" 732onclick="_gaq.push(['_trackEvent', 'PDF downloads', 'Download', 733'downloadpage/Relat-vol2']);"><img class="c7" alt="Physics pdf" src="IMAGES/pdficon_large.png" 734width="32" height="32" >Free download of 735volume II - RELATIVITY AND COSMOLOGY (50 MB).</a> 736</p> 737 738<p class="tmenu"> 739<a class="tmenuesto" 740href="https://www.motionmountain.net/motionmountain-volume3.pdf" 741onclick="_gaq.push(['_trackEvent', 'PDF downloads', 'Download', 742'downloadpage/Elmag-vol3']);"><img class="c7" alt="Physics pdf" src="IMAGES/pdficon_large.png" 743width="32" height="32" >Free download of 744volume III - LIGHT, CHARGES AND BRAINS (80 MB).</a> 745</p> 746 747<p class="tmenu"> 748<a class="tmenuesto" 749href="https://www.motionmountain.net/motionmountain-volume4.pdf" 750onclick="_gaq.push(['_trackEvent', 'PDF downloads', 'Download', 751'downloadpage/Quan-vol4']);"><img class="c7" alt="Physics pdf" src="IMAGES/pdficon_large.png" 752width="32" height="32" >Free download of volume IV - THE QUANTUM 753OF CHANGE (38 MB).</a> 754</p> 755 756<p class="tmenu"> 757<a class="tmenuesto" 758href="https://www.motionmountain.net/motionmountain-volume5.pdf" 759onclick="_gaq.push(['_trackEvent', 'PDF downloads', 'Download', 760'downloadpage/Quan-vol5']);"><img class="c7" alt="Physics pdf" src="IMAGES/pdficon_large.png" 761width="32" height="32" >Free download of 762volume V - MOTION INSIDE MATTER: PLEASURE, TECHNOLOGY AND STARS 763 (85 MB).</a> 764</p> 765 766 767<!-- /#INCLUDE --> 768 769<p>The Motion Mountain Physics Textbook is written for pupils, students, 770teachers and anybody curious about nature: the text is full of telling 771anecdotes, captivating riddles, unusual tables, astonishing photographs and 772beautiful films. It has been downloaded over 500 000 times. It is a fun 773pdf book that expands your curiosity and your studies. </p> 774<!-- 100 000 was in early 7752011, 160 000 in fall 2012, 200 000 in January 2014, stopped counting 776directly; since that time, about 40 000 per year --> 777 778<!-- 779 | <p class="tmenu"><a class="tmenuesto" href="online.html">Read the 780volumes online 781 | here.</a></p> 782--> 783 784<!-- 785 | <p>An Introduction to Modern Physics: relativity and quantum physics, 786 | cosmology and particles, optics and modern mechanics, technology and 787 | biophysics</p> 788--> 789 790 791<!-- 792 | <p><a href="https://www.motionmountain.net/penitentiaryhalt.php"><span 793 | class="c5">oh</span></a></p> 794--> 795 796<p><strong>Fun leads to fascination.</strong> Numerous fun 797facts are found in the book, conveying the charm of physics. 798The book makes the reader discover that precise observation, 799description and thinking are worth it. Nature is beautiful and full of 800riddles and wonders. Precision is important in learning, research, 801teaching and business. Distinguishing truth, mistakes and lies, the 802possible and the impossible, the thinkable and the 803unthinkable, is useful in all aspects of life.</p> 804 805<p><a class="testo" href="prizes.html"><strong>Prizes and rewards</strong> 806are offered</a> for solving a number of challenges and for helping to 807improve the text.</p> 808 809 810<!-- 811 | <h3>Donations to the Free Physics Textbook</h3> 812 | 813 | <p>are welcome! No profit has ever been made: of the sum spent on the 814project 815 | so far - many tens of thousand Euros - less than a quarter has been 816covered by 817 | donations.</p> 818 | 819 | <h3>Motion Mountain Physics Free PDF for Download</h3> 820 | 821 | <p>If you are in Germany, please support the project, at no cost to 822you, by buying your usual 823 | products through Amazon Smile instead of Amazon, by using this link: <a 824 | class="testo" 825 | 826href="https://smile.amazon.de/ch/143-219-30760">https://smile.amazon.de/ch/143-219-30760</a>.</p> 827--> 828 829 830<!-- 831 | <p><strong>News.</strong> Motion Mountain occasionally twitters at <a 832 | href="https://x.com/MotionMountainP" 833rel="me">https://x.com/MotionMountainP</a>.</p> 834--> 835 836<!-- 837 | <h3>Paper versions</h3> 838 | 839 | <p>The <b>colour paper</b> edition is called "Motion Mountain - The 840 | Colours of Physics". Its 841 | <a 842href="https://www.amazon.com/s?k=1508507457+%7C+1508578567+%7C+1508646937+%7C+1508524726+%7C+1542304954+%7C+1508525307+%7C+1508524483&i=stripbooks-intl-ship&ref=nb_sb_noss"
843 | onclick="_gaq.push(['_trackEvent', 'Store', 'Click', 844'print/store']);">7 845 | colour paper volumes are found here</a>. In the colour edition, 846 | for technical reasons, the first volume is split into two. 847 | 848 | 849 | <p>The cheaper <b>black & white paper</b> edition is called "Motion 850 | Mountain - The Adventure of Physics" and its 851 | <a 852href="https://www.amazon.com/s?k=%22Adventure+of+Physics%22+%26+%22Schiller%22&i=stripbooks-intl-ship&s=date-desc-rank&qid=1569265002&ref=sr_st_date-desc-rank" 853 | onclick="_gaq.push(['_trackEvent', 'Store', 'Click', 854'print/store']);">6 855 | black & white paper volumes are found here</a>. 856 | 857 | 858 | <p>The content of both paper 859 | editions is the same. Only the title is different. 860--> 861 862<!-- 863 |<h3><a href="research.html">► Ponder a Whisper on the Unification 864of Physics</a></h3> 865 |<p>The strand conjecture is a <B><a href="bet.html">bet</a></B> on the 866 |common description of general relativity and the standard model of 867particle 868 |physics. <a href="research.html">It is presented on the research 869page.</a> 870--> 871 872</div> 873<footer style="background-color:#B0BC9C"> 874<!-- #INCLUDE PATH="y-footer.html" --> 875 876<!-- FOOTER START --> 877<div class="footer" id="footer" lang="en"><div class="contain"> 878 <div class="col"> 879 <h2>Helped by</h2> 880 <ul> 881 <li><a href="sponsors.html">Sponsors</a></li> 882 <li><a href="reviews.html">Reviewers</a></li> 883 <li><a href="translations.html">Translators</a></li> 884 <li><a href="help.html">Volunteers</a></li> 885 <li><a href="donation.html">Physics fans</a></li> 886 <li><a href="spenden.html" lang="de">Spender</a></li> 887 <li><a href="thankyou.html">With gratitude</a></li> 888 </ul> 889 </div> 890 <div class="col"> 891 <h2>More For</h2> 892 <ul> 893 <li><a href="youth.html">Young people</a></li> 894 <li><a href="print.html">Paper book fans</a></li> 895 <li><a href="links.html">Puzzle fans</a></li> 896 <li><a href="bet.html">Science betting fans</a></li> 897 <li><a href="9lines.html">Readers in a hurry</a></li> 898 <li><a href="online.html">Online readers</a></li> 899 <li><a href="contents.html">Overview seekers</a></li> 900 <li><a href="female.html">Girls and women</a></li> 901 <li><a href="teaching.html">Teachers</a></li> 902 <li><a href="https://medium.com/@motionmountain" rel="me">Medium blog readers</a></li> 903 <li><a href="https://www.patreon.com/MotionMountain" 904 rel="me">Patreon blog readers</a></li> 905 <li><a href="onresearch.html">Older research blog readers</a></li> 906 <li><a href="onteaching.html">Teaching blog readers</a></li> 907 <li><a href="links.html">Free physics book collectors</a></li> 908 <li><a rel="me" 909 href="https://mastodon.social/@MotionMountain">Mastodon users</a></li> 910 <li><a href="https://x.com/MotionMountainP" rel="me">Twitter users</a></li> 911 <li><a 912 href="http://www.quanten.de/forum/showthread.php5?t=3750">Kühne 913 Physiker</a></li> 914 <li><a 915 href="https://www.astronews.com/community/threads/das-fadenmodell-f%C3%BCr-teilchen-eichkr%C3%A4fte-und-gravitation.11700/">Noch kühnere</a></li> 916 <li><a href="kindle.html">Kindle fans</a></li> 917 <li><a href="elements.html">Periodic table fans</a></li> 918 </ul> 919 </div> 920 <div class="col"> 921 <h2>Book Project</h2> 922 <ul> 923 <li><a href="index.html">Home</a></li> 924 <li><a href="prizes.html">Prize challenges</a></li> 925 <li><a href="https://sites.google.com/view/motionmountainsuggestions/">Errata & suggestions</a></li> 926 <li><a href="project.html">Background</a></li> 927 <li><a href="author.html">Author</a></li> 928 <li><a href="newsletter.html">Newsletter</a></li> 929 <li><a href="privacy.html">Terms and privacy</a></li> 930 <li><a href="author.html" lang="de">Impressum & Kontakt</a></li> 931 <li><a href="onlatex.html">LaTeX wishes</a></li> 932 </ul> 933 </div> 934 <div class="col"> 935 <h2>Physics fields</h2> 936 <ul> 937 <li><a href="videos.html">Fascinating motion</a></li> 938 <li><a href="classical.html">Classical mechanics and gravitation</a></li> 939 <li><a href="thermo.html">Thermodynamics</a></li> 940 <li><a href="relativity.html">Relativity and cosmology</a></li> 941 <li><a href="electromag.html">Electromagnetism and optics</a></li> 942 <li><a href="quantum.html">
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