Curved-space geometry | Relativity 10Science4All (english)2015-06-29 | There's a fine line between straight and curved lines... Or is there not? What's a straight line (in a curved space)?
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantierTikTok: Xis mighty remote control (ft. @ApresLaBiere)Science4All (english)2022-11-21 | I explain how TikTok is a Trojan horse, an offering to all the countries of the world which, via the recommendation algorithm under the probable control of the Chinese authorities, could trigger the collapse of democracies. #TheFabulousEndeavor #Tournesol #Science4All
0:00 Introduction 2:45 What is TikTok? 6:59 Is TikTok under Xi's control? 9:35 The geopolitical stakes 19:22 Remote controls: Trojan horses? 23:29 The algorithmic governance problem 29:21 Conclusion
A huge thank you to all the reviewers of the video, most of which are members of the Tournesol Association ❤️🌻
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantierGoogle poisoned the science community, which now amplifies its disinformationScience4All (english)2022-10-17 | This video debunks 4 dangerously misleading scientific papers, all with a Google co-author, that denigrate the urgent need for massive audits and investments in security and ethics. Terrifyingly, the scientific community has scientifically validated and massively propagated what appears to be intentional disinformation. #TheFabulousEndeavor #Tournesol #Science4All
0:00 Introduction Part 1 The (non-)protection of sensitive information 06:53 Machine learning learns from personal data 10:37 Federated learning 12:55 The (non-)protection of sensitive information 17:48 The scientific community is massively amplifying the disinformation 20:45 My scientific debunking work 24:42 Differential privacy… and its limits 27:34 More disinformation on the privacy of large language models Part 2 The (non-)security against disinformation 30:32 Data is manipulating algorithms 32:22 Defend with “new algorithms” ? 35:34 Our NeurIPS debunking 37:52 The dangerous assumption that all scholars make 41:25 Google's “practical, production” federated learning environment 45:48 Our debunking is again ignored by the science community... 47:34 Data generalization: a politically (and financially) motivated assumption? Conclusion 52:34 Ethics and security urgently require massive funding 57:01 Ethical research: Tournesol 59:42 Help us make academic research more secure and ethical
A huge thank you to all the reviewers of the video, most of which are volunteers of the Tournesol Association ❤️🌻
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantier5 Superpowerful AIsScience4All (english)2022-06-19 | Too often, AI discussions focus on flawed examples of AIs, because these examples actually have minor impacts on societies. Today, I discuss a top 5 of the most powerful of today's algorithms, which are surprisingly and disturbingly way too little known. #TheFabulousEndeavor #Tournesol #science4all #AI #artificialintelligence #tekfog #xiaoice
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantierMy Ukrainian friend’s heartbreaking call for academics’ helpScience4All (english)2022-04-11 | Anastasiia Kucherenko called the scientific community to more actively combat disinformation, to save the millions of lives endangered by hate speech and calls to violence. #Ukraine #War #Tournesol #TheFabulousEndeavor #Science4All
A huge thank you to EPFL and to Alain Herzog, to allow republishing Anastasiia's talk, under CC BY-SA 4.0 license.
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantierHuman trafficker and hate dealer #FacebookFilesScience4All (english)2021-12-06 | Frances Haugen recently revealed a huge amount of internal communications at Facebook, which show in a very incriminating way that the company's executives made decisions that were both very immoral, but also illegal. According to various lawyers and investors, these executives should go to jail. #FacebookFiles #FrancesHaugen #TheFabulousEndeavor #Tournesol #Science4All
0:00 Introduction 3:55 Complicity to human trafficking 12:31 Collusions with dictators 20:22 Merchant of hate 35:29 Conclusion : Zuckerberg in prison ?
A huge thank you to all the reviewers of the video, most of which are members of the Tournesol Association ❤️🌻
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantier SmartPoop 1.0 (with Tristan Le Magoarou): bit.ly/smartpoopTournesol: We need YOU!! (Two job offers!!)Science4All (english)2021-06-21 | EPFL is recruiting a a research engineer and a postdoctoral research, to work on the development of Tournesol. #TheFabulousEndeavor #Tournesol #Science4All
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantierThe 51% AttackScience4All (english)2021-05-24 | Tournesol restricts participation in the platform, to protect itself from the 51% attack. In this video, I insist on the importance of this protection, without which Tournesol would be arbitrarily manipulated by malicious entities. #TheFabulousEndeavor #Tournesol #Science4All
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantierWhat’s a message of public utility?Science4All (english)2021-05-03 | What is the best video on any YouTube to recommend on the topic of climate change? This video describes the quality criteria used by #Tournesol to answer this question. #TheFabulousEndeavor #Tournesol #Science4All
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantierLets Solve Ethics Collaboratively!!Science4All (english)2021-04-19 | The ethics of today's most influential decisions is usually centralized and opaque. In 2019, the WeBuildAI framework has been proposed to make ethical decisions both collaborative and transparent, thereby opening new appealing possibilities for the future of ethics. #TheFabulousEndeavor #Tournesol #Science4All
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantierData is manipulating the algorithmsScience4All (english)2021-04-05 | Today's most influential algorithms learn from data. But then, if the data is biased, misleading, or fabricated, then the algorithms that learn from that data will also be biased and misleading. Thus, there will be no algorithmic safety in machine learning without a massive, reliable and secure database with human preferences. #TheFabulousEndeavor #Tournesol #AIEthics
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantierMillions of billions of dilemmasScience4All (english)2021-03-22 | Every algorithmic recommendation is in fact a dilemma, especially on complex subjects like nuclear power. Unfortunately, the number of these dilemmas brings us to scales that are unmanageable for us humans. #AIEthics #MakeAIEthical #Tournesol
0:00 Introduction 2:34 Every recommendation is a dilemma 6:39 A matter of spontaneous recommendations 8:55 Astronomical scales 12:57 Algorithms are already vastly superhuman
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantierSocial Medias are Dangerous. Very Dangerous.Science4All (english)2021-03-13 | Disinformation campaigns have invaded all influential social networks, as all kinds of entities have huge incentives to pollute or bias public opinion. This makes social networks dangerous. #TheFabulousEndeavor #AIEthics #Tournesol
The Equation of Knowledge: https://laboutique.edpsciences.fr/produit/1035/9782759822614/La%20formule%20du%20savoir Le fabuleux chantier (with El Mahdi El Mhamdi, in French, translation under work) : https://laboutique.edpsciences.fr/produit/1107/9782759824304/Le%20fabuleux%20chantierGalileo Galilei, Aristotles Murderer | Genius 3Science4All (english)2016-05-12 | Galileo Galilei is sometimes regarded as the man who defended science over religion. But this seems inaccurate. Rather, Galileo seems to have fought Aristotle all his life, and those that believed in Aristotle.Minkowskis Spacetime | Relativity 23Science4All (english)2016-03-23 | Imagine trying to put Sheldon Flash Cooper in cage? While in the frame of the cage, Sheldon gets contracted and fits in the cage, we seem to have to conclude the exact opposite from Sheldon's frame. In this episode, we solve this apparent paradox using Minkowski's diagrams.
Einstein and the special theory of relativity | Minute Physics youtube.com/watch?v=ajhFNcUTJI0What does E=mc² really mean? Relativity 22Science4All (english)2016-03-18 | E=mc² is probably the most beautiful equation of physics. Yet, its deep and subtle meaning is often misappropriated! In this video, I work out Einstein's original thoughts to better understand the message he intended to convey.
The True Nature of Mass and Matter | Space Time | PBS Digital Studio youtube.com/watch?v=gSKzgpt4HBUHow far can a pile of cards go? Logic 3Science4All (english)2016-02-10 | Take a pile of cards and try to get it leaning away from a table as far as possible. How far can that go? Can it go to infinity? What's pretty cool is that this basic problem will lead us to discuss the harmonic series, infinite divergent sums and natural logarithms...0 99999... = 1??? Zeno vs infinite sums | Logic 2Science4All (english)2016-01-17 | Zeno once cleverly argued that Achilles could never overtake a tortoise ahead of him. For 2,000 years, this troubling argument would be a hurdle that would prevent any meaningful use of infinity. But the key to understand it all lies in the equally troubling equality 0.99999... = 1.
Thank you to Johan Mazoyer and Nicolas Tupégabet for feedbacks on the script. Check their podcast: http://podcastscience.fmLogic and Math Foundations | TrailerScience4All (english)2015-11-21 | Launching the next series on Logic and Math Foundations, with a quick recap of the series on General Relativity.The Poincaré conjecture | Relativity 21Science4All (english)2015-11-13 | Could a universe without border, not go on and on forever? Poincaré not only gave an answer, he also proposed a fundamental conjecture...
Spacetime of general relativity | Science4All Article http://www.science4all.org/le-nguyen-hoang/spacetime-of-general-relativity Is special relativity relative? Time dilation and space contraction | Science4All 6 youtube.com/watch?v=KLsFYofL5Dc Are astronauts weightless? Einstein's happiest thought | Science4All 14 youtube.com/watch?v=9s2tObpO_rU What's Einstein's gravity? General relativity explained! Science4All 15 youtube.com/watch?v=zZDoSpiIxs0 What proved general relativity? Einstein's heart palpitations | Science4All 17 youtube.com/watch?v=IxS_4Z6_wBA Special Relativity and the Twin Paradox | Physics Girl youtube.com/watch?v=ERgwVm9qWKACant you see the Big Bang? Relativity 19Science4All (english)2015-10-31 | One of the most amazing thing about our universe is that we can see its baby picture by just looking up there. What's equally surprising is that it's only 50 years ago that we have seen this baby picture! Before that, Big Bang theories sounded ridiculous, especially because of Hubble... The key to understand it all is the cosmological microwave background (CMB) and the Doppler effect!
What's the destiny of the universe? Einstein's biggest blunder | Science4All 18 youtube.com/watch?v=ZAiVf4zA6KI Space Used to Be Orange!! | Space Time | PBS Digital Studios youtube.com/watch?v=3tCMd1ytvWg Do We Expand With The Universe? Minute Physics youtube.com/watch?v=th_9ZR2I0_w Picture of the Big Bang (a.k.a. Oldest Light in the Universe) youtube.com/watch?v=_mZQ-5-KYHw What's gravitational time dilation? Twin & Grandfather paradox | Science4All 20 youtube.com/watch?v=wV9yqfNQTgoAlbert Einstein, the iconic figure of science | Genius 2Science4All (english)2015-10-29 | Will there ever even be another Einstein? Doubtful. Einstein not only is a great genius, he's also and most importantly the iconic figure of science, in its purest and greatest form
The Speed of Light is NOT About Light | Space Time | PBS Digital Studios youtube.com/watch?v=msVuCEs8Ydo Is special relativity relative? Space contraction and time dilation | Science4All 6 youtube.com/watch?v=KLsFYofL5Dc The Real Meaning of E=mc² | Space Time | PBS Digital Studios youtube.com/watch?v=Xo232kyTsO0 Are astronauts weightless? Einstein's happiest thought | Science4All 14 youtube.com/watch?v=9s2tObpO_rU What's Einstein's gravity? General relativity explained! Science4All 15 youtube.com/watch?v=zZDoSpiIxs0 What proved general relativity? Einstein's heart palpitations | Science4All 17 youtube.com/watch?v=IxS_4Z6_wBA EPR Paradox and Entanglement | Quantum Mechanics ep 8 youtube.com/watch?v=5HJK5tQIT4A Proof of Bell's theorem youtube.com/watch?v=7zfnvGXpy-gEinsteins biggest blunder | Relativity 18Science4All (english)2015-10-22 | Because the young Einstein couldn't accept the possibility of a universe with an end of time, he made obscure modifications to his equations... He would later call this the biggest blunder of his life! Yet, these days, these obscure modifications may somehow shed some light on an even darker secret of our universe...
What's Einstein's gravity? General relativity explained! Science4All 15 youtube.com/watch?v=zZDoSpiIxs0 What proved general relativity? Einstein's heart palpitations | Science4All 17 youtube.com/watch?v=IxS_4Z6_wBA Can't you see the Big Bang? CMB and Doppler effect | Science4All 19 youtube.com/watch?v=jEtZ_eoHY10 Do We Expand With The Universe? Minute Physics youtube.com/watch?v=th_9ZR2I0_w Einstein's Famous Blunder - Sixty Symbols youtube.com/watch?v=nJsFsjSWYx0Einsteins heart palpitations | Relativity 17Science4All (english)2015-10-14 | This video retraces Einstein's footsteps towards worldwide celebrity. From his first steps into a theory of spacetime curvature to his epic dual with the greatest mathematician of that time and to the eventual confirmation of his theory through eclipse observation. At last, Einstein had triumphed!
John Earman and Clark Glymour. Lost in the Tensors: Einstein's Struggles with Covariance Principles, 1912-1916: http://repository.cmu.edu/cgi/viewcontent.cgi?article=1338&context=philosophy Why has Pluto ever been a planet? History of planet discoveries | Science4All 2 youtube.com/watch?v=0SUs_o6EEVs Is special relativity relative? Space contraction and time dilation | Science4All 6 youtube.com/watch?v=KLsFYofL5Dc Are astronauts weightless? Einstein's happiest thought | Science4All 14 youtube.com/watch?v=9s2tObpO_rU What's Einstein's gravity? General relativity explained! Science4All 15 youtube.com/watch?v=zZDoSpiIxs0 Is gravity acceleration or curvature? Follow-up clarifications | Science4All 16 youtube.com/watch?v=WbhUsPuioN8 What's the destiny of the universe? Einstein's biggest blunder | Science4All 18 youtube.com/watch?v=ZAiVf4zA6KIIs gravity acceleration or curvature? Relativity 16Science4All (english)2015-10-08 | Not many general relativity popularizations distinguish acceleration and curvature, and even suggest that gravity is... both. I know I did. Yet, these are mathematically very, very distinct. So, allow me to clarify myself by drawing the line between what gravity is, and what it is not!
Is Gravity An Illusion? | Space Time | PBS Digital Studios youtube.com/watch?v=NblR01hHK6U Can a Circle Be a Straight Line? | Space Time | PBS Digital Studios youtube.com/watch?v=D3GVVkPb3OI Can You Trust Your Eyes in Spacetime? | Space Time | PBS Digital Studios youtube.com/watch?v=P4rW_pPbD-U General Relativity & Curved Spacetime Explained! | Space Time | PBS Digital Studios youtube.com/watch?v=AwhKZ3fd9JA What's gravitational time dilation? Twin & Grandfather paradox | Science4All 20 youtube.com/watch?v=wV9yqfNQTgoGeneral relativity explained! Relativity 15Science4All (english)2015-09-28 | Last time, we saw that Einstein explains the falling of the apple by the upwards acceleration of the ground. This is Einstein's happiest thought. But wouldn't this imply that the surface of the Earth is expanding outwards? Well, no. Why? Because of spacetime curvature! At last, this video explains how Einstein's gravity really works.
Warning! This video is a bit more technical than usual, and previous videos are prerequisites to fully grasp this one. They include: Is special relativity relative? Time dilation and space contraction | Science4All 6 youtube.com/watch?v=KLsFYofL5Dc What's wrong with that map? Spherical Geometry | Science4All 9 youtube.com/watch?v=SZsz3EchTA0 What's a straight line? Curved-space geometry | Science4All 10 youtube.com/watch?v=n8DB3mGXEUg What's the geometry of my underpants? Hyperbolic Geometry | Science4All 11 youtube.com/watch?v=PBDcMrq-BSQ Are astronauts weightless? Einstein's happiest thought | Science4All 14 youtube.com/watch?v=9s2tObpO_rU
More to understand general relativity... Spacetime of General Relativity | Science4All Article http://www.science4all.org/le-nguyen-hoang/spacetime-of-general-relativity Is gravity acceleration or curvature? Follow-up clarifications | Science4All 16 youtube.com/watch?v=WbhUsPuioN8 Is Gravity An Illusion? | Space Time | PBS Digital Studios youtube.com/watch?v=NblR01hHK6U General Relativity & Curved Spacetime Explained! | Space Time | PBS Digital Studios youtube.com/watch?v=AwhKZ3fd9JA What proved general relativity? Einstein's heart palpitations | Science4All 17 youtube.com/watch?v=IxS_4Z6_wBA What's the destiny of the universe? Einstein's biggest blunder | Science4All 18 youtube.com/watch?v=ZAiVf4zA6KI What's gravitational time dilation? Twin & Grandfather paradox | Science4All 20 youtube.com/watch?v=wV9yqfNQTgoEinsteins happiest thought | Relativity 14Science4All (english)2015-09-16 | In 1907, Einstein had the happiest thought of his life, the one that would initiate an 8-year-old seemingly impossible quest for a theory of gravity. While the theory is awfully complex, the thought that led Einstein therefore is wonderfully simple... and has to do with astronauts' weightlessness.
The Massive Puzzle of Gravity | Science4All.org http://www.science4all.org/le-nguyen-hoang/gravity Don't heavier objects fall faster? Galileo's Thought Experiment | Science4All 12 youtube.com/watch?v=Vz9q-TuBrgo How did Newton figure out gravity? On the shoulders of giants | Science4All 13 youtube.com/watch?v=tHq3_0dxLQ0 What's Einstein's gravity? General relativity explained! Science4All 15 youtube.com/watch?v=zZDoSpiIxs0 Is gravity acceleration or curvature? Follow-up clarifications | Science4All 16 youtube.com/watch?v=WbhUsPuioN8 Why Are Astronauts Weightless? Veritasium youtube.com/watch?v=iQOHRKKNNLQ The Physics of Weightless Flight ft Emily Calandrelli | Physics Girl youtube.com/watch?v=7v-viGyoZAUHow did Newton figure out gravity? Relativity 13Science4All (english)2015-09-08 | The theory of gravity did not fall from trees. It took a giant, standing on the shoulders of other giants. Building upon Descartes' algebraic geometry, Galileo's law of falling objects and Kepler's law of planetary orbits, Newton would mark History, as he would infer the fundamental laws of motion and gravity.
The Massive Puzzle of Gravity | Science4All Article http://www.science4all.org/le-nguyen-hoang/gravity Don't heavier objects fall faster? Galileo's Thought Experiment | Science4All 12 youtube.com/watch?v=Vz9q-TuBrgo Are astronauts weightless? Einstein's happiest thought | Science4All 14 youtube.com/watch?v=9s2tObpO_rU What's Einstein's gravity? General relativity explained! Science4All 15 youtube.com/watch?v=zZDoSpiIxs0 Is gravity acceleration or curvature? Follow-up clarifications | Science4All 16 youtube.com/watch?v=WbhUsPuioN8 What proved general relativity? Einstein's heart palpitations | Science4All 17 youtube.com/watch?v=IxS_4Z6_wBADont heavier objects fall faster? Relativity 12Science4All (english)2015-08-24 | It's often said that Galileo proved by experiment that objects all fall at the same rate. But that can't be true, as everyday experience shows that heavier objects do fall faster. So, why did nevertheless he claim that all objects fall at the same rate?
The Massive Puzzle of Gravity | Science4All.org http://www.science4all.org/le-nguyen-hoang/gravity How did Newton figure out gravity? On the shoulders of giants | Science4All 13 youtube.com/watch?v=tHq3_0dxLQ0 Are astronauts weightless? Einstein's happiest thought | Science4All 14 youtube.com/watch?v=9s2tObpO_rU Is gravity acceleration or curvature? Follow-up clarifications | Science4All 16 youtube.com/watch?v=WbhUsPuioN8Hyperbolic Geometry | Relativity 11Science4All (english)2015-07-13 | Believe it or not, my underpants contradict 2000 years of mathematical certainty! It's only in the 19th Century that Gauss, Lobachevsky and, Bolyai would get a grasp on the hidden geometry underlying my underpants --- the so-called hyperbolic geometry... which would lead to new fundamental insights into the nature of geometry itself!
Can you glue opposite edges of a square? Relativity 7 youtube.com/watch?v=Bx0MOMvUxS8John Nash, a Beautiful Mind | Genius 1Science4All (english)2015-05-27 | Nobel prize winner John Nash passed away on May 23rd, 2015. He was 86. He had lived an amazing and difficult life. Early on, he was a mathematical prodigy who faced and solved several of the toughest problems of his time. However, at the top of his mathematical genius, he fell into paranoid schizophrenia. After 30 years of struggle with this terrible disease, he miraculously recovered and tamed his demons. Allow me to pay tribute to this beautiful mind.Can you glue opposite edges of a square? Relativity 7Science4All (english)2015-05-22 | This is a conundrum that many of the greatest mathematicians couldn't figure out. While John Nash did answer yes - by proving the wonderful Nash isometric embedding theorems - he couldn't say how. After 160 years of research, the Hévéa project finally did it! And it is spectacularly beautiful!
Hévéa Project: http://hevea.imag.fr The Tortuous Geometry of the Flat Torus | Science4All Article http://www.science4all.org/le-nguyen-hoang/flat-torus Why do soccer balls have the shape they have? Platonic solids | Science4All 8 youtube.com/watch?v=JfkYeZqpHVg What's Einstein's gravity? General relativity explained! Science4All 15 youtube.com/watch?v=zZDoSpiIxs0 Could space be finite? Poincare conjecture | Science4All 21 youtube.com/watch?v=dNQuzmA42vwSpace contraction and time dilation | Relativity 6Science4All (english)2015-05-14 | What if space and time were relative? This was Einstein's insight that led him to a revolutionary understanding of our universe. But this insight was not based on the idea of relativity...
Twin & Grandfather paradox | Relativity 20 youtube.com/watch?v=wV9yqfNQTgoCan you add colours? Relativity 5Science4All (english)2015-05-05 | You've probably learned early on that there are three primary colours. But why three? And why these three? And what does it have to do with "adding" colours? Is the "addition" of colours even an addition? Surprisingly, the answer lies in the beautiful mathematics of linear algebra and (high) dimension spaces!
Pluto is NOT (not?) a planet | Science4All http://www.science4all.org/le-nguyen-hoang/pluto What proved general relativity? Einstein's heart palpitations | Science4All 17 youtube.com/watch?v=IxS_4Z6_wBAWhy is π so interesting? Relativity 1Science4All (english)2015-03-23 | Pi is a favorite of both amateur and professional mathematicians. Why is that? What is it that makes this number so special? I'll argue that the answer lies both in its ubiquity and its evasiveness.
publications.polymtl.ca/1668La Magie des Maths de Prépa (2/2) - LanalyseScience4All (english)2014-10-16 | Dans cette série, je propose de vous révéler la magie des mathématiques des classes préparatoires aux Grandes Écoles. Ce second épisode porte sur l'analyse.
Musiques : Jason Shaw (http://www.audionautix.com/index.php) J. Lang, Snowflake, Admiral Bob, Onlymeith, Colab (http://dig.ccmixter.org) Chris Zabriskie, Kevin MacLeod (http://freemusicarchive.org)La Magie des Maths de Prépa (1/2) - LalgèbreScience4All (english)2014-09-17 | Dans cette série, je propose de vous révéler la magie des mathématiques des classes préparatoires aux Grandes Écoles. Ce premier épisode porte sur l'algèbre.
Merci à toutes les participantes concernées de près ou de loin par ce projet !
Musiques : Jason Shaw (http://www.audionautix.com/index.php) J. Lang, Snowflake, Admiral Bob, Onlymeith, Colab (http://dig.ccmixter.org) Chris Zabriskie, Kevin MacLeod (http://freemusicarchive.org)La Magie des Maths de Prépa - TrailerScience4All (english)2014-09-07 | Voici la 2ème bande annonce du documentaire sur la magie des mathématiques des classes préparatoires. Le documentaire sera composé de deux épisodes d'une heure chacun.
Le 1er épisode portera sur l'algèbre et paraîtra le 17 septembre. Le 2nd épisode portera sur l'analyse et paraîtra le 15 octobre. Abonnez-vous pour ne pas le rater !
House of Evil by Jason Shaw A Brighter Heart by Jason Shaw http://www.audionautix.com/index.php?genre=SoundtrackLa Magie des Maths de Prépa - Bande AnnonceScience4All (english)2014-08-06 | Voici la bande annonce du documentaire sur la magie des mathématiques des classes préparatoires, à venir dans les mois prochains. Le documentaire sera composé de deux épisodes d'une heure chacun. Abonnez-vous pour ne pas le rater !