Maths
From Numberphile. The mathematical genius of JS Bach – featuring Marcus Du Sautoy. More links & stuff in full description below ↓↓↓ See books by Marcus, including his latest "Thinking Better: The Art of the Shortcut" — https://amzn.to/3j5FygD Marcus’ website with latest info: https://www.simonyi.ox.ac.uk Marcus on Twitter: https://twitter.com/MarcusduSautoy Other Marcus videos on Numberphile: https://bit.ly/Marcus_Numberphile Marcus…
From Mathologer. Recently one of you requested that I explain the math(s) in this clip which recently went viral. https://youtu.be/mYAahN1G8Y8 It’s a clip taken from the movie X+Y aka A brilliant young mind. The math(s) problem that Nathan, the main character in this movie, is working on in this clip is a simplified version of…
From 3Blue1Brown. How the right question about Newton’s method results in a Mandelbrot set. Video on Newton’s fractal: https://youtu.be/T_S2j5GaLRQ Special thanks: https://3b1b.co/lessons/newtons-fractal#thanks Extra special thanks to Sergey Shemyakov, of Aix-Marseille University, for helpful conversations and for introducing me to this phenomenon. —————— Introduction to Fatou sets and Julia sets, including a discussion of Montel’s theorem…
From Numberphile. Tom Crawford shows why water doesn’t fall through a sieve with small enough holes. More links & stuff in full description below ↓↓↓ Tom Crawford’s website, with links to his work and other outreach: https://tomrocksmaths.com More Tom videos on Numberphile: http://bit.ly/Crawford_Videos Tom on the Numberphile Podcast: https://youtu.be/_HwKGncsGo0 Numberphile is supported by the Mathematical…
From 3Blue1Brown. Who knew root-finding could be so complicated? Early view of the next part: https://www.patreon.com/posts/57323044 An equally valuable form of support is to simply share the videos. —————— On fractal dimension: https://youtu.be/gB9n2gHsHN4 Mathologer on the cubic formula: https://youtu.be/N-KXStupwsc Some of the videos from this year’s Summer of Math Exposition are fairly relevant to the…
From Standup Mathematician. Find your own ABC triple: https://abc.tngtech.com Details about Jane Street + University of Oxford’s Black Academic Futures Scholarships: http://www.maths.ox.ac.uk/study-here/postgraduate-study/jane-street-graduate-scholarships Huge thanks to Sebastian Stamminger and Daniel Pape from TNG for all of their help. TNG: https://www.tngtech.com Big Techday: https://www.tngtech.com/tng-ueber-uns/bigtechday.html Here is James Grime talking ABC. https://youtu.be/RkBl7WKzzRw Manim “math animation” community version: https://www.manim.community…
From Standup Mathematician. Hannah’s book is out now! https://www.waterstones.com/book/rutherford-and-frys-complete-guide-to-absolutely-everything-abridged/adam-rutherford/hannah-fry/2928377065652 https://www.amazon.co.uk/dp/1787632636/ If you have a spare 2⅔ hours you can watch Matt hand craft a protractor. Yes, I know the audio is glitchy. https://youtu.be/rSox1RRbxXA More about Abu Arrayhan Muhammad ibn Ahmad al-Biruni: https://mathshistory.st-andrews.ac.uk/Biographies/Al-Biruni/ This video was made possible by my Patreon supporters for. Those cocktails were…
From Numberphile. Matt Parker introducing Finite Fields and re-visits the infamous Parker Square… Extra footage & become a millionaire by winning The Parker Prize: https://youtu.be/hn8SwBhhDvU More links & stuff in full description below ↓↓↓ The Original Parker Square video: https://youtu.be/aOT_bG-vWyg The paper featured in this video: https://arxiv.org/abs/1908.03236 MATT PARKER STUFF Stand-Ups Maths on YouTube: https://www.youtube.com/user/standupmaths…
From Standup Mathematician. You must pre-order Maddie’s new book. Several copies. For every young person you know. https://www.maddiemoate.com/book And cheers to Maddie for being my number one bee friend. She made a video on the same day which you should absolutely check out. Her whole channel is fab. https://youtu.be/gMa1y_vrmzM Huge thanks to Black Bee Honey…
From Mathologer. Another long one. Obviously not for the faint of heart 🙂 Anyway, this one is about the beautiful discreet counterpart of calculus, the calculus of sequences or the calculus of differences. Pretty much like in Alice’s Wonderland things are strangely familiar and yet very different in this alternate reality calculus. Featuring the Newton-Gregory…
From Numberphile. A third dice trick with Ben Sparks – see the trilogy of tricks at: https://bit.ly/Dice_Trilogy More links & stuff in full description below ↓↓↓ Ben Sparks: https://www.bensparks.co.uk And his YouTube: https://www.youtube.com/c/SparksMaths More Ben Sparks on Numberphile: http://bit.ly/Sparks_Playlist Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also supported by…
From Standup Mathematician. STEVE MOULD FACE REVEAL! Check out Steve’s 10^6 subscriber Q+A with me cosplaying as Steve. https://www.youtube.com/watch?v=GLADzZJqEyI UPDATE: We have a proof that if a cable goes back and forth under a handle an equal number of times it can always be removed! Thanks to Henry Segerman. (It does assume the cord itself…
From Numberphile. Featuring Matt Henderson… Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ More videos with Matt: https://bit.ly/MattHendersonPlaylist Follow his work on Twitter at: https://twitter.com/matthen2 Previous video with Matt (Chaotic Balls): https://youtu.be/6z4qRhpBIyA Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile…
From Numberphile. Johnny Ball is back talking about Hippocrates, Lunes, and a Fancy Q. More links & stuff in full description below ↓↓↓ Johnny Ball’s website: https://johnnyball.co.uk More Johnny on Numberphile: https://bit.ly/Johnny_Ball An earlier Lunes video we did with Barry Mazur: https://www.youtube.com/watch?v=n_FsAwvxBI8 Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are…
From Standup Mathematician. Check out https://www.kiwico.com/standupmaths and get 50% off your first month of any crate! Maybe enjoy making a pencil sharpener! Not that I’d know what that’s like… This is the GeoGebra file Sam Hartburn made for me: https://www.geogebra.org/m/pffgbck8 Here is The Coding Train’s first part of the Super Shape series. https://www.youtube.com/watch?v=z86cx2A4_3E I mentioned…
From Mathologer. On the menu today are some very nice mathematical miracles clustered around the notion of mathematical higher-dimensional spaces, all tied together by the powers of (x+2). Very mysterious 🙂 Some things to look forward to: The counterparts of Euler’s polyhedron formula in all dimensions, a great mathematical moment in the movie Iron man…
From Numberphile. Matt Henderson is making lightning in mazes. Check out https://www.kiwico.com/Numberphile and get 50% off your first month of any subscription. More links & stuff in full description below ↓↓↓ More videos with Matt: https://bit.ly/MattHendersonPlaylist Follow his work on Twitter at: https://twitter.com/matthen2 Maze solving on our sister channel, Computerphile: https://www.youtube.com/watch?v=rop0W4QDOUI Numberphile is supported by…
From Numberphile. Featuring Ben Sparks… Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ Ben Sparks: https://www.bensparks.co.uk More Ben Sparks on Numberphile: http://bit.ly/Sparks_Playlist Related Geogebra files… Disappearing bicyclist: https://www.geogebra.org/m/hypuahfc Disappearing face: https://www.geogebra.org/m/azwghu4a Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We…
From Standup Mathematician. Get Private Internet Access for 2.08 $/month: https://privateinternetaccess.com/standupmaths (That’s cheaper than what I’m paying!) Here are my files with all the distances and angles on a keyboard. http://pi-ratebay.com/files/all_keyboard_distances.txt http://pi-ratebay.com/files/all_keyboard_angles.txt If you want the original coordinates of all keys, I’m pretty sure you can find that on http://pi-ratebay.com/ Thanks to everyone who made…
From Numberphile. Featuring Marcus du Sautoy from Oxford University. Check his latest book "Thinking Better: The Art of the Shortcut" Links & stuff in full description below ↓↓↓ Marcus’s new book on Amazon here: https://amzn.to/3xrujmS (US) https://amzn.to/3jmBJD1 (UK) Marcus on the Numberphile Podcast: https://youtu.be/PVSkzNOXG1k And a Numberphile video about Gödel’s Incompleteness Theorem: https://youtu.be/O4ndIDcDSGc The Seven…
From Standup Mathematician. Check out the Jane Street podcast: Signals and Threads. My goodness it’s nerdy. I love it. https://signalsandthreads.com/ You can watch the original live-stream of the trick here. I actually did it twice! Yeah, now you’re convinced, you sceptical bunch you. https://youtu.be/hlsN32dBCHQ Here is my previous video about perfect bridge deals. https://www.youtube.com/watch?v=s9-b-QJZdVA 52-Card…
From Numberphile. Featuring Tom Crawford and an Oxford Admissions Question… Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) Extra footage: https://youtu.be/IGiBTK3EtLs More links & stuff in full description below ↓↓↓ More Tom videos on Numberphile: http://bit.ly/Crawford_Videos Tom on the Numberphile Podcast: https://youtu.be/_HwKGncsGo0 Tom Crawford’s website, with links to his work and other…
From Standup Mathematician. Thank you to BetterHelp for sponsoring this video! To get 10% off your first month of therapy, go to https://betterhelp.com/standupmaths to sign up today. If you are need of urgent mental health support please check for crisis help lines available in your country. USA: https://www.mentalhealth.gov/get-help/immediate-help UK: https://www.nhs.uk/mental-health/advice-for-life-situations-and-events/where-to-get-urgent-help-for-mental-health/ Do check out Jordan Ellenberg’s…
From Standup Mathematician. Consecutive primes which are widely digitally delicate. https://people.math.sc.edu/filaseta/ConsecutiveDigitallyDelicatePrimes2021.pdf Data from the paper: https://people.math.sc.edu/filaseta/ConsecutiveWDDPrimes.html Here is the bonus footage. https://youtu.be/wtzgbJuHSfM And yes, the theme song (along with the remix) is on Bandcamp as ‘pay what you want’. So you can download for free, or pay something to help support the channel. https://standupmaths.bandcamp.com/track/digits-are-forever-inc-prime-remix More…
From Numberphile. Matt Henderson shows us a few animations he created to depict chaos. More links & stuff in full description below ↓↓↓ More videos with Matt: https://bit.ly/MattHendersonPlaylist Follow his work on Twitter at: https://twitter.com/matthen2 Chaos with Ben Sparks: https://youtu.be/kbKtFN71Lfs Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also supported…
From Numberphile. Ben Sparks with another trick – can you guess how it works before he explains it? More links & stuff in full description below ↓↓↓ This is the second of a trilogy of dice tricks with Ben Sparks… More to come… Martin Gardner called this trick "Guessing The Total". More dice videos from…
From Mathologer. Today’s video is about a mathematical gem that was discovered 70 years ago. Although it’s been around for quite a while and it’s super cool and it’s super accessible, hardly anybody knows about it. 00:00 Intro 04:58 Chapter 1: Making our own proof 09:55 Chapter 2: Some more amazing facts 13:11 Chapter 3:…
From 3Blue1Brown. Announcement for the 2021 Summer of Math Exposition Podcast/New channel: https://www.youtube.com/GrantSanderson Details: https://3b1b.co/SoME1 ↓↓Things referenced through the video↓↓ James Schloss: https://www.youtube.com/user/LeiosOS Free will theorem: https://www.ams.org/notices/200902/rtx090200226p.pdf Kolmogorov complexity and primes: https://people.cs.uchicago.edu/~fortnow/papers/kaikoura.pdf Tadashi Tokieda talk: https://youtu.be/tQQ3oiB32GI Boarbarktree: https://www.youtube.com/channel/UCFeIEAkqvS4fJMTwUtF4OFw Mathologer: https://youtu.be/N-KXStupwsc Manim: https://github.com/3b1b/manim Manim Community edition: https://github.com/ManimCommunity/manim/ Reanimate: https://github.com/reanimate/reanimate Javis: https://github.com/Wikunia/Javis.jl Smoothstep: https://smoothstep.io/ Matt Henderson: https://twitter.com/matthen2/status/1262247041238839296…
From Standup Mathematician. Check out Katie’s video about The Unwanted Shape. https://www.youtube.com/watch?v=wN9f-k9oRts Instruction to make the rhombicuboctahedron: – Maths – That’s it. (If it helps, I made the squares with a side length of 62mm and the triangles 102mm.) Huge thanks to my Patreon supporters who mean I can drop what I’m doing and spend…
From Numberphile. Johnny Ball discusses Archimedes and the volume of a sphere. Check out https://www.kiwico.com/Numberphile and get 50% off your first month of any subscription (sponsor) More links & stuff in full description below ↓↓↓ Johnny Ball: https://johnnyball.co.uk More Numberphile videos with Johnny Ball: http://bit.ly/Johnny_Ball Johnny Ball books: https://amzn.to/3v8Xxqx Numberphile is supported by the Mathematical…
From Numberphile. Featuring Ben Sparks. More links & stuff in full description below ↓↓↓ Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) This is the first of a trilogy of dice tricks with Ben Sparks… More to come soon… Martin Gardner called this trick "Hummer’s Die Mystery" and attributed it to Bob…
From Numberphile. Featuring Neil Sloane from the OEIS – and his carpenter’s plane. Mandelbrot papers offer: https://www.patreon.com/posts/52011294 More links & stuff in full description below ↓↓↓ More Neil Sloane videos: http://bit.ly/Sloane_Numberphile The OEIS: https://oeis.org Discuss this video on Brady’s subreddit: https://redd.it/nrba65 Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also…
From Numberphile. This video features Johnny Ball. Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ Johnny Ball: https://johnnyball.co.uk More Numberphile videos with Johnny Ball: http://bit.ly/Johnny_Ball Johnny Ball books: https://amzn.to/3v8Xxqx Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also…
From Numberphile. Tom Crawford discussing roulette and gambling with a famed strategy. More Tom videos on Numberphile: http://bit.ly/Crawford_Videos More links & stuff in full description below ↓↓↓ Tom Crawford’s website, with links to his work and other outreach: https://tomrocksmaths.com Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also supported by…
From Standup Mathematician. Get to know Jane Street! https://www.janestreet.com/join-jane-street/get-to-know-us/ Which hypercube unfoldings tile space? https://whuts.org/ Yes, you can buy one of the 261 models from this video and support the channel. All hand-numbered by me and with a signed certificate of authenticity. https://mathsgear.co.uk/products/cube-model Here is Giovanna Diaz and Joseph O’Rourke’s paper: https://arxiv.org/abs/1512.02086 A091159 Number of…
From Numberphile. Sequence guru Neil Sloane on a sequence which puzzled him – until he spotted the mistake! More links & stuff in full description below ↓↓↓ More Neil Sloane videos: http://bit.ly/Sloane_Numberphile The OEIS: https://oeis.org Hanny’s Voorwerp: https://youtu.be/RDr6bSB6Vlg Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also supported by Science…
From 3Blue1Brown. How to write the eigenvalues of a 2×2 matrix just by looking at it. Need a refresher on eigenvalues? https://youtu.be/PFDu9oVAE-g Thanks to Tim for the jingle: https://www.youtube.com/acapellascience Help fund future projects: https://www.patreon.com/3blue1brown An equally valuable form of support is to simply share the videos. Special thanks to these supporters: https://3b1b.co/quick-eigen-thanks Lockdown math lecture…
From Standup Mathematician. Check out https://www.kiwico.com/standupmaths and get 50% off your first month of any subscription! Subscribe to Steve Mould’s channel. I sent him the next video challenge along with the Monomatch cards. http://youtube.com/stevemould Support me on Patreon and get sent three "Monomatch Myriad" cards to check. https://www.patreon.com/posts/50645477/ Here is the bonus ‘behind the cards’…
From Numberphile. Featuring Ben Sparks. Check out https://www.kiwico.com/Numberphile and get 50% off your first month of any subscription. More links & stuff in full description below ↓↓↓ Extra footage from the making of this video (including Brady trying to roll 50 points and his game against the online Pig Player): https://youtu.be/zD9-V9Idbug Ben Sparks: https://www.bensparks.co.uk More…
From Standup Mathematician. Signup for your FREE trial to The Great Courses Plus here: http://ow.ly/I5fV30rDCPO This was my previous video about Dream and Minecraft. "How lucky is too lucky?: The Minecraft Speedrunning Dream Controversy Explained" https://www.youtube.com/watch?v=8Ko3TdPy0TU Yep, I did try to do 52 perfect shuffles in a row, live. With, I would say, some success.…
From Mathologer. Let’s say there are more pigeons than pigeon holes. Then, if all the pigeons are in the holes, at least one of the holes must house at least two of the pigeons. Completely obvious. However, this unassuming pigeon hole principle strikes all over mathematics and yields some really surprising, deep and beautiful results.…
From Standup Mathematician. Sign-up for Private Internet Access and we can be VPN buddies! Under $3 a month. https://www.privateinternetaccess.com/standupmaths Thanks to Kerry D. Wong who originally piqued my interest by sending me this: http://www.kerrywong.com/2009/09/06/an-alternative-illustration-of-prime-number-distribution/ Here are the papers about finding arbitrarily large gaps between primes: The first paper: https://arxiv.org/abs/1408.4505 The paper one day later: https://arxiv.org/abs/1408.5110…
From 3Blue1Brown. General exponentials, love, Schrödinger, and more. Help fund future projects: https://www.patreon.com/3blue1brown An equally valuable form of support is to simply share some of the videos. Special thanks to these supporters: https://3b1b.co/mat-exp-thanks —————— The Romeo-Juliet example is based on this essay by Steven Strogatz: http://www.stevenstrogatz.com/essays/loves-me-loves-me-not-do-the-math The book shown at the start is Vladimir Arnold’s…
From Standup Mathematician. Check out Steve Mould’s Pythagorean Siphon video: https://www.youtube.com/watch?v=Cg8KQfaT9xY&ab_channel=SteveMould Every Pi Day I calculate the digits of π somehow. This year I counted the number of molecules in a disc as a ‘real accurate’ way to measure its surface area. You can see all the previous videos here: https://www.youtube.com/watch?v=CKl1B8y4qXw&list=PLhtC92GarkjyYbxI3-4qzIWIRbZaw4wuP Yes, you can buy…
From Mathologer. There must be millions of people who have heard of the Tower of Hanoi puzzle and the simple algorithm that generates the simplest solution. But what happens when you are playing the game not with three pegs, as in the original puzzle, but with 4, 5, 6 etc. pegs? Hardly anybody seems to…
From Standup Mathematician. Check out the Jane Street programs if you’re considering a mathematics/finance/programming job: https://www.janestreet.com/join-jane-street/our-programs/ Here is Tim Gowers’s reply to the original tweet: https://twitter.com/wtgowers/status/1346212151581700096 Start your Schanuel’s Conjecture journey here: https://mathworld.wolfram.com/SchanuelsConjecture.html 3^3^3^3 on wolfram alpha: https://www.wolframalpha.com/input/?i=3%5E3%5E3%5E3 And for completeness, here is pi^pi^pi^pi: https://www.wolframalpha.com/input/?i=pi%5Epi%5Epi%5Epi If you have opinions about my 2n conjecture, send an…
From Standup Mathematician. Buy my book Humble Pi now! https://www.penguinrandomhouse.com/books/610964/humble-pi-by-matt-parker/ UPDATE: Harvard Book Store have totally sold out. My talk on 4 February 2021 at Harvard Book Store: https://www.harvard.com/event/virtual_event_matt_parker/ Here is the original accusation against Dream. Video: https://www.youtube.com/watch?v=-MYw9LcLCb4&ab_channel=Geosquare Paper: https://mcspeedrun.com/dream.pdf And here is Dream’s reply. Video: https://www.youtube.com/watch?v=1iqpSrNVjYQ&ab_channel=DreamXD Paper: https://drive.google.com/file/d/1yfLURFdDhMfrvI2cFMdYM8f_M_IRoAlM/view "Matt flips a coin 100 times."…
From Mathologer. Okay, as it says in the title of this video, today’s mission is to figure out how many ways there are to make change for one googol, that is 10^100 dollars. The very strange patterns in the answer will surprise, as will the explanation for this phenomenon, promise. 0:00 Intro 1:15 Chapter 1:…
From Mathologer. I only stumbled across the amazing arctic circle theorem a couple of months ago while preparing the video on Euler’s pentagonal theorem. A perfect topic for a Christmas video. Before I forget, the winner of the lucky draw announced in my last video is Zachary Kaplan. He wins a copy of my book…
From Standup Mathematician. If you support me on Patreon at any point in December 2020 I will film your name on my xmas tree while I give you a thumbs-up of appreciation. https://www.patreon.com/standupmaths Huge thanks to Eugénie von Tunzelmann for helping me out with this video. You can see more of Eugénie in my "General…
From 3Blue1Brown. About Likelihood Ratios, also sometimes called Bayes Factors*. Help fund future projects: https://www.patreon.com/3blue1brown An equally valuable form of support is to simply share some of the videos. Special thanks to these supporters: https://3b1b.co/bayes-factor-thanks Home page: https://www.3blue1brown.com The book by my friend Matt Cook about paradoxes mentioned at the end: https://amzn.to/3aBrEzg On the topic,…
From Mathologer. Today’s video is about the harmonic series 1+1/2+1/3+… . Apart from all the usual bits (done right and animated 🙂 I’ve included a lot of the amazing properties of this prototypical infinite series that hardly anybody knows about. Enjoy, and if you are teaching this stuff, I hope you’ll find something interesting to…
From Mathologer. Looks like I just cannot do short videos anymore. Another long one 🙂 In fact, a new record in terms of the slideshow: 547 slides! This video is about one or my all-time favourite theorems in math(s): Euler’s amazing pentagonal number theorem, it’s unexpected connection to a prime number detector, the crazy infinite…
From Mathologer. Today’s video is about making sense of an infinite fraction that pops up in an anecdote about the mathematical genius Srinivasa Ramanujan. 00:00 Intro 04:31 Chapter 1: Getting a feel for the puzzle 08:27 Chapter 2: Algebra autopilot 12:37 Chapter 3: Infinite fraction 17:51 Chapter 4: Root 2 21:19 Chapter 5: Euclidean algorithm…
From 3Blue1Brown. Part 1: https://youtu.be/X8jsijhllIA Watch Ben Eater’s video: https://youtu.be/h0jloehRKas Help fund future projects: https://www.patreon.com/3blue1brown An equally valuable form of support is to simply share some of the videos. Special thanks to these supporters: https://3b1b.co/hamming-thanks A cleaner perspective on Hamming error correction codes. You can read Hamming’s own perspective on his discovery of these codes…
From 3Blue1Brown. A discovery-oriented introduction to error correction codes. Part 2: https://youtu.be/b3NxrZOu_CE Ben Eater:’s take: https://youtu.be/h0jloehRKas Help fund future projects: https://www.patreon.com/3blue1brown An equally valuable form of support is to simply share some of the videos. Special thanks to these supporters: https://3b1b.co/hamming-thanks Heavily related is the chessboard puzzle I did with Matt Parker: https://youtu.be/as7Gkm7Y7h4 You can…
From 3Blue1Brown. An introduction to group theory (Minor error corrections below) Help fund future projects: https://www.patreon.com/3blue1brown An equally valuable form of support is to simply share some of the videos. Special thanks to these supporters: https://3b1b.co/monster-thanks Timestamps: 0:00 – The size of the monster 0:50 – What is a group? 7:06 – What is an…
From Mathologer. Bit of a mystery Mathologer today with the title of the video not giving away much. Anyway it all starts with the quest for equilateral triangles in square grids and by the end of it we find ourselves once more in the realms of irrationality. This video contains some extra gorgeous visual proofs…
From 3Blue1Brown. An information puzzle with an interesting twist Solution on Stand-up Maths: https://youtu.be/as7Gkm7Y7h4 Help fund future projects: https://www.patreon.com/3blue1brown An equally valuable form of support is to simply share some of the videos. Special thanks to these supporters: https://3b1b.co/chess-thanks Home page: https://www.3blue1brown.com —————— 0:00 Introduction 3:58 Visualizing the two-square case 5:46 Visualizing the three-square case…
From Mathologer. A blast from the past. A video about my fun quest to pin down the best ways of lacing mathematical shoes from almost 20 years ago. Lots of pretty and accessible math. Includes a proof that came to me in a dream (and that actually worked)! 0:00 Intro 1:31 What’s a mathematical lacing?…