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  • 38:28 A Miraculous Proof (Ptolemy's Theorem) - Numberphile

    A Miraculous Proof (Ptolemy's Theorem) - Numberphile

    32 views / 0 likes - added

    Featuring Zvezdelina Stankova... Want more? Part 2 (bringing in Pentagons and the Golden Ratio) is at: https://youtu.be/o3QBgkQi_HAMore links & stuff in full description below Zvezda's Numberphile playlist: http://bit.ly/zvezda_videosZvezda's webpage: htt

  • 21:05 How do brains count? - Numberphile

    How do brains count? - Numberphile

    30 views / 0 likes - added

    Professor Brian Butterworth is a neuroscientist who specialises in numbers and mathematics. More from this interview at https://youtu.be/FCS4b3OjVJM and earlier videos with him at: https://bit.ly/Brian_ButterworthMore links & stuff in full description bel

  • 10:21 The Forgotten Number System - Numberphile

    The Forgotten Number System - Numberphile

    41 views / 0 likes - added

    Featuring author Alex Bellos - check his books (including the Language Lover's Puzzle Book) on Amazon: https://amzn.to/3oU0wjTMore links & stuff in full description below More Alex on Numberphile: http://bit.ly/Bellos_PlaylistAlex's own website with links

  • 18:39 Billionaire Mathematician - Numberphile

    Billionaire Mathematician - Numberphile

    139 views / 0 likes - added

    Full length version of this interview (one hour): https://youtu.be/QNznD9hMEh0 More links & stuff in full description below ↓↓↓ More about The Simons Foundation: http://bit.ly/SimonsFoundation James Harris Simons has been described as "

  • 11:14 Colouring Numbers - Numberphile

    Colouring Numbers - Numberphile

    156 views / 0 likes - added

    Fields Medallist Sir Timothy Gowers discusses Van der Waerden's theorem.Interview continues on Numberphile2 at: https://youtu.be/hHIfJcwipAYMore links & stuff in full description below Timothy Gowers website: https://gowers.wordpress.com And his Twitter:

  • 06:50 Russian Multiplication - Numberphile

    Russian Multiplication - Numberphile

    179 views / 0 likes - added

    Johnny Ball on Russian and Egyptian Multiplication.Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor)More links & stuff in full description below More on Johnny Ball, including his books and live shows: ht

  • 16:38 Superhero Triangles - Numberphile

    Superhero Triangles - Numberphile

    150 views / 0 likes - added

    Heronian triangles and other fascinating things, featuring Dr James Grime.Get your Superhero Triangle T-Shirt and other stuff: http://bit.ly/Super_TriMore links & stuff in full description below More videos with Dr Grime: http://bit.ly/grimevideosDr James

  • 06:49 The man with 1,000 Klein Bottles UNDER his house - Numberphile

    The man with 1,000 Klein Bottles UNDER his house - Numberphile

    169 views / 0 likes - added

    More Numberphile on Klein Bottles: http://bit.ly/KleinBottles More links & stuff in full description below ↓↓↓ Science objects with Brady: http://bit.ly/Objectivity Thanks Squarespace: http://squarespace.com/numberphile This video featu

  • 08:25 A Fascinating Thing about Fractions - Numberphile

    A Fascinating Thing about Fractions - Numberphile

    146 views / 0 likes - added

    The Dynamical Uniform Boundedness Conjecture with Dr Holly Krieger. Extra from this interview: https://youtu.be/v4LWFzTyhpU Dr Krieger on the Numberphile Podcast: https://youtu.be/QmfQQzjpdpM More links & stuff in full description below ↓↓&d

  • 18:49 EVERY baby is a ROYAL baby - Numberphile

    EVERY baby is a ROYAL baby - Numberphile

    186 views / 0 likes - added

    Dr James Grime discusses ancestry and why we ALL have royal blood. See also our new video on family extinction at: https://youtu.be/z34XhE5oRwo More links & stuff in full description below ↓↓↓ More James Grime videos: http://bit.ly/grim

  • 16:07 Terrific Toothpick Patterns - Numberphile

    Terrific Toothpick Patterns - Numberphile

    206 views / 0 likes - added

    Fun with toothpicks. Featuring Neil Sloane. More links & stuff in full description below ↓↓↓ Neil Sloane is the founder of the On-Line Encyclopedia of Integer Sequences: https://oeis.org Play with the toothpick simulator: http://oeis.org/A139250/a139250.a

  • 27:31 Divisibility Tricks - Numberphile

    Divisibility Tricks - Numberphile

    256 views / 0 likes - added

    Featuring Tony Padilla... Check out Brilliant (and get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ Extra footage and trick from this interview: https://youtu.be/ZWeUNUCf2rI C

  • 14:27 All the Numbers - Numberphile

    All the Numbers - Numberphile

    180 views / 0 likes - added

    Matt Parker talks about numbers - as he often does. His book "Humble Pi" is at: http://bit.ly/Humble_Pi More links & stuff in full description below ↓↓↓ The book on Amazon: https://amzn.to/2NKposg Numberphile podcast is on your podcast player. Or the webs

  • 09:31 Infinite Series - Numberphile

    Infinite Series - Numberphile

    206 views / 0 likes - added

    Fields Medallist Charlie Fefferman talks about some classic infinite series. More links & stuff in full description below ↓↓↓ Charles Fefferman at Princeton: https://www.math.princeton.edu/people/charles-fefferman Numberphile is supported by the Mathemati

  • 04:54 The problem in Good Will Hunting - Numberphile

    The problem in Good Will Hunting - Numberphile

    243 views / 0 likes - added

    We now have a Tumblr: Tumblr: http://numberphile.tumblr.com This paper on ebay: http://www.ebay.co.uk/itm/221197137799? More links & stuff in full description below ↓↓↓ Just how hard was the second problem cracked by Will in Good Will H

  • 11:52 158,962,555,217,826,360,000 (Enigma Machine) - Numberphile

    158,962,555,217,826,360,000 (Enigma Machine) - Numberphile

    553 views / 0 likes - added

    The Nazi's Enigma Machine - and the mathematics behind it - was a crucial part of World War II. Flaw video at: http://www.youtube.com/watch?v=V4V2bpZlqx8 More links & stuff in full description below ↓↓↓ Brown papers on ebay: bit.ly/brow

  • 12:58 Primes on the Moon (Lunar Arithmetic) - Numberphile

    Primes on the Moon (Lunar Arithmetic) - Numberphile

    206 views / 0 likes - added

    Featuring Neil Sloane from the Online Encyclopedia of Integer Sequences (OEIS). Lunar Arithmetic (aka Dismal Arithmetic) More links & stuff in full description below ↓↓↓ Neil Sloane is the founder of the OEIS: https://oeis.org Lunar Primes: https://oeis.o

  • 13:48 Squaring Primes - Numberphile

    Squaring Primes - Numberphile

    203 views / 0 likes - added

    Matt Parker is squaring primes. The Great Courses Plus free trial: http://ow.ly/JE3G30hIvoE (episode sponsor) More links & stuff in full description below ↓↓↓ More Matt Parker on Numberphile: http://bit.ly/Matt_Videos Matt's book on Amazon... US: http://b

  • 05:43 The Most Evil Number - Numberphile

    The Most Evil Number - Numberphile

    301 views / 0 likes - added

    Belphegor's Prime... Don't miss the extra footage on Numberphile2: https://youtu.be/9CcI5M1LfRs Belphegor Merch: http://www.bradyharanblog.com/blog/belphegors-prime-t-shirt More links & stuff in full description below ↓↓↓ This video features Professor Ton

  • 08:13 What Number Comes Next? - Numberphile

    What Number Comes Next? - Numberphile

    210 views / 0 likes - added

    Maybe pause the video and see if you can figure these out? Featuring Neil Sloane of OEIS fame... More links & stuff in full description below, including spoilers ↓↓↓ Extra footage from this video: https://youtu.be/ydn7s9-3GRc Neil Sloane is the founder of

  • 09:18 The Centrifuge Problem - Numberphile

    The Centrifuge Problem - Numberphile

    333 views / 0 likes - added

    More videos with Dr Holly Krieger: http://bit.ly/HollyKrieger More links & stuff in full description below ↓↓↓ Dr Holly Krieger is based at Murray Edwards College, University of Cambridge. Want some chemistry videos? Brady does those too: https://www.yout

  • 10:56 Kissing Numbers - Numberphile

    Kissing Numbers - Numberphile

    223 views / 0 likes - added

    Featuring James Grime... Check out Brilliant (and get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ Sphere trilogy: http://bit.ly/Sphere_Trilogy More Dr James Grime on Numberph

  • 12:11 The Best Way to Pack Spheres - Numberphile

    The Best Way to Pack Spheres - Numberphile

    208 views / 0 likes - added

    Featuring James Grime... Check out Brilliant (and get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ Sphere trilogy: http://bit.ly/Sphere_Trilogy Strange Spheres in Higher Dimen

  • 10:38 Every Number is the Sum of Three Palindromes - Numberphile

    Every Number is the Sum of Three Palindromes - Numberphile

    220 views / 0 likes - added

    Featuring James Grime... Check out Brilliant (and get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ More James Grime videos on Numberphile: http://bit.ly/grimevideos Main paper

  • 16:19 The Cross Ratio - Numberphile

    The Cross Ratio - Numberphile

    327 views / 0 likes - added

    One of the most famous free kicks ever taken - but how far from the goal was Brazil's Roberto Carlos? More links & stuff in full description below ↓↓↓ Discussed by Federico Ardila from San Francisco State University. More Federico videos: http://bit.ly/Fe

  • 11:13 Last Cards Match - Numberphile

    Last Cards Match - Numberphile

    334 views / 0 likes - added

    Numberphile Playing Cards: http://bit.ly/NumberphileCards More card videos: http://bit.ly/Cards_Shuffling More links & stuff in full description below ↓↓↓ Featuring Tadashi Tokieda, a professor of mathematics at Stanford University. More Tadashi Videos: h

  • 05:35 Balls and Cones - Numberphile

    Balls and Cones - Numberphile

    372 views / 0 likes - added

    This is a (stand-alone) continuation of the previous video at: https://youtu.be/2vnqSwWAn34 Featuring Tadashi Tokieda. More links & stuff in full description below ↓↓↓ More Tadashi: http://bit.ly/tadashi_vids Playing cards latest: http://www.bradyharanblo

  • 16:26 Earthquakes, Circles and Spheres - Numberphile

    Earthquakes, Circles and Spheres - Numberphile

    293 views / 0 likes - added

    Tadashi is back with a discussion of how we know where earthquakes occur. A second video is at: https://youtu.be/lubGnk0UZt0 More links & stuff in full description below ↓↓↓ More Tadashi Tokieda at: http://bit.ly/tadashi_vids Podcasts HELLO INTERNET http:

  • 11:37 Floating Balls and Lift - Numberphile

    Floating Balls and Lift - Numberphile

    627 views / 0 likes - added

    Tadashi discusses pressure and lift... with a toy of course! More links & stuff in full description below ↓↓↓ Lift and wings on Sixty Symbols: https://youtu.be/PF22LM8AbII Tadashi Playlist: http://bit.ly/tadashi_vids You can buy version of this toy on Ama

  • 04:36 How to make a Klein Bottle from an old pair of jeans - Numberphile

    How to make a Klein Bottle from an old pair of jeans - Numberphile

    417 views / 0 likes - added

    More Klein bottle videos: http://bit.ly/KleinBottles More links & stuff in full description below ↓↓↓ Visit Cliff Stoll's online store: http://www.kleinbottle.com/ More Cliff videos: http://bit.ly/Cliff_Videos Numberphile is supported by the Mathematical

  • 09:15 5-Sided Square - Numberphile

    5-Sided Square - Numberphile

    381 views / 0 likes - added

    Check our sponsor The Great Courses Plus (free trial): http://ow.ly/j5cB30hIvm2 This video features Cliff Stoll. More links & stuff in full description below ↓↓↓ More Cliff Stoll videos: http://bit.ly/Cliff_Videos Buy a Klein Bottle fro

  • 10:12 21-card trick - Numberphile

    21-card trick - Numberphile

    431 views / 0 likes - added

    A simple trick with some neat math behind it. More on Numberphile cards at: http://www.bradyharanblog.com/numberphile-playing-cards More links & stuff in full description below ↓↓↓ More cards video: http://bit.ly/Cards_Shuffling This vi

  • 16:12 Stars and Bars (and bagels) - Numberphile

    Stars and Bars (and bagels) - Numberphile

    209 views / 0 likes - added

    Professor Ken Ribet discusses a mathematical problem involving bagels - and some clever combinatorics. More links & stuff in full description below ↓↓↓ With thanks to these Patreon supporters: Jeff Straathof Peggy Youell Ken Baron Today I Found Out Christ

  • 02:41 Paper Calculator - Numberphile

    Paper Calculator - Numberphile

    298 views / 0 likes - added

    Comic book genius Jason Shiga shows us a calculator made of paper. We've got more coming from Jason which will explain WHY he made this (besides the fact it is just cool!) More links & stuff in full description below ↓↓↓ Jason's acclaimed book Meanwhile:

  • 08:50 The Electric Slide Rule - Numberphile

    The Electric Slide Rule - Numberphile

    380 views / 0 likes - added

    Cliff Stoll shows off an electric-powered slide rule. More links & stuff in full description below ↓↓↓ Audible (free trial): http://www.audible.com/numberphile (sponsor) Cliff's Klein Bottle business: http://www.kleinbottle.com More videos with Cliff: htt

  • 07:52 UNCRACKABLE? The Collatz Conjecture - Numberphile

    UNCRACKABLE? The Collatz Conjecture - Numberphile

    303 views / 0 likes - added

    Professor David Eisenbud on the infamous Collatz Conjecture, a simple problem that mathematicians may not be "ready" to crack. More links & stuff in full description below ↓↓↓ Extra footage from this interview: https://youtu.be/O2_h3z1YgEU Prof Eisenbud's

  • 11:13 Coffee Cup Vibrations - Numberphile

    Coffee Cup Vibrations - Numberphile

    378 views / 0 likes - added

    Tadashi explores coffee and tea cups to new depths... More links & stuff in full description below ↓↓↓ Playlist of Tadashi Tokieda videos: http://bit.ly/tadashi_vids Support us on Patreon: http://www.patreon.com/numberphile NUMBERPHILE Website: http://www

  • 04:19 Lace Knot Trick - Numberphile

    Lace Knot Trick - Numberphile

    222 views / 0 likes - added

    Playlist of Tadashi Tokieda videos: http://bit.ly/tadashi_vids More links & stuff in full description below ↓↓↓ More knot videos: http://bit.ly/Knot-a-Phile Fast shoelaces: https://youtu.be/XPIgR89jv3Q What is a knot?: https://youtu.be/aqyyhhnGraw Support

  • 08:39 Frog Jumping - Numberphile

    Frog Jumping - Numberphile

    307 views / 0 likes - added

    Featuring Gordon Hamilton from Math Pickle. More links below. Numberphile T-Shirts: https://teespring.com/stores/numberphile Gordon and the Mondrian Art Problem: https://youtu.be/49KvZrioFB0 Math Pickle (Gordon's website): http://mathpickle.com Numberphil

  • 09:09 The Illumination Problem - Numberphile

    The Illumination Problem - Numberphile

    372 views / 0 likes - added

    Featuring Professor Howard Masur from the University of Chicago. Filmed at the Mathematical Sciences Research Institute (MSRI). Part 2 of this interview: https://youtu.be/AGX0cLbHaog Patreon: http://www.patreon.com/numberphile Numberphile is supported by

  • 08:45 The Legend of Question Six - Numberphile

    The Legend of Question Six - Numberphile

    223 views / 0 likes - added

    Free trial at Great Courses Plus: http://ow.ly/7Hh2302dIFt More links & stuff in full description below ↓↓↓ Simon Pampena discusses the famous Question 6 from the 1988 International Mathematical Olympiad. More links below... Second part of this video: htt

  • 07:04 The Secret of Floppy Paper - Numberphile

    The Secret of Floppy Paper - Numberphile

    214 views / 0 likes - added

    Tadashi is back, this time looking at drooping paper (and toilet paper). More links & stuff in full description below ↓↓↓ Subscribe to Numberphile and never miss a floppy paper video: http://bit.ly/Numberphile_Sub Playlist of Tadashi Tokieda videos: http:

  • 05:56 A Strange Change of Rotation - Numberphile

    A Strange Change of Rotation - Numberphile

    333 views / 0 likes - added

    Rotating cedar balls. Here's a playlist of Tadashi Tokieda videos: http://bit.ly/tadashi_vids More links & stuff in full description below ↓↓↓ Electric slide rule: https://youtu.be/MEyIppEOQTw Support us on Patreon: http://www.patreon.com/numberphile NUMB

  • 06:34 The Most Powerful Dice - Numberphile

    The Most Powerful Dice - Numberphile

    270 views / 0 likes - added

    Tadashi explores a special set of dice... And has a powerful lesson. More links & stuff in full description below ↓↓↓ Subscribe to Numberphile: http://bit.ly/Numberphile_Sub More dice videos: http://bit.ly/Dice_Videos Playlist of Tadashi Tokieda videos: h

  • 10:48 Apéry's constant (calculated with Twitter) - Numberphile

    Apéry's constant (calculated with Twitter) - Numberphile

    275 views / 0 likes - added

    Patreon: http://www.patreon.com/numberphile More links & stuff in full description below ↓↓↓ Tony Padilla is an associate professor of physics at the University of Nottingham. Here he discusses the zeta function and Apéry's Constant. More Tony videos: htt

  • 08:45 Conway Checkers - Numberphile

    Conway Checkers - Numberphile

    357 views / 0 likes - added

    Continues with the proof at: https://youtu.be/Or0uWM9bT5w Featuring Zvezdelina Stankova - more videos with her at: http://bit.ly/zvezda_videos More links & stuff in full description below ↓↓↓ John Conway videos: http://bit.ly/ConwayNumberphile Pebbling a

  • 10:05 The Slightly Spooky Recamán Sequence - Numberphile

    The Slightly Spooky Recamán Sequence - Numberphile

    311 views / 0 likes - added

    Check out Brilliant (and get 20% off their premium service): https://brilliant.org/numberphile (sponsor)... More links & stuff in full description below ↓↓↓ Check out Brilliant's Problem of the Week (it's free): https://brilliant.org/NumberphilePOTW/ Alex

  • 09:03 Weber's Law - Numberphile

    Weber's Law - Numberphile

    256 views / 0 likes - added

    Check out Brilliant (and get 20% off) by clicking https://brilliant.org/numberphile (sponsor) Hannah Fry has a new book coming: https://amzn.to/2J6oCph (US) or https://amzn.to/2KVfXDD (UK) More links & stuff in full description below ↓↓↓ A little extra bi

  • 22:11 g-conjecture - Numberphile

    g-conjecture - Numberphile

    232 views / 0 likes - added

    Discussing h-vectors and the g-conjecture. Featuring June Huh from the Institute for Advanced Study at Princeton University. More links & stuff in full description below ↓↓↓ A little extra bit from this interview: https://youtu.be/cFKGX3vAs_Q Shapes in hi

  • 12:29 Combinatorics and Higher Dimensions - Numberphile

    Combinatorics and Higher Dimensions - Numberphile

    211 views / 0 likes - added

    Featuring Federico Ardila from San Francisco State University - filmed at MSRI. More links & stuff in full description below ↓↓↓ Federico previously on Numberphile: https://www.youtu.be/OfEv5ZdSrhY Federico's webpage: http://math.sfsu.edu/federico/ Antarc

  • 03:49 The Trinity Hall Prime - Numberphile

    The Trinity Hall Prime - Numberphile

    215 views / 0 likes - added

    A prime number "gift" from a mathematicians leaving his college. More links & stuff in full description below ↓↓↓ Featuring Tadashi Tokieda. More Tadashi: http://bit.ly/tadashi_vids Professor McKee explains: "Most of the digits of p were fixed so that: (i

  • 11:25 Dealing Cards with Cryptography (with Ron Rivest) - Numberphile

    Dealing Cards with Cryptography (with Ron Rivest) - Numberphile

    447 views / 0 likes - added

    More Ron Rivest videos: http://bit.ly/RonRivest Cryptography playlist: http://bit.ly/crypto_videos More links & stuff in full description below ↓↓↓ Ron Rivest: http://people.csail.mit.edu/rivest/ Computerphile: https://www.youtube.com/user/computerphile N

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  • 16:21 The Silver Ratio - Numberphile

    The Silver Ratio - Numberphile

    206 views / 0 likes - added

    The silver ratio (and other metals) with Tony Padilla. More links & stuff in full description below ↓↓↓ Golden editions are sold out (for now) but more shirts available at https://teespring.com/stores/numberphile More Tony Padilla videos: http://bit.ly/Pa

  • 11:22 The Problem with 7825 - Numberphile

    The Problem with 7825 - Numberphile

    204 views / 0 likes - added

    Signup for your free trial to The Great Courses Plus here: http://ow.ly/b5wA30hIviV (sponsor) More links & stuff in full description below ↓↓↓ James Grime on a proof involving Pythagorean Triples. James Grime: http://singingbanana.com (book him for a talk

  • 04:56 How Pi was nearly changed to 3.2 - Numberphile

    How Pi was nearly changed to 3.2 - Numberphile

    266 views / 0 likes - added

    The State of Indiana nearly passed a law which would have made Pi equal 3.2 - strange but true. More links & stuff in full description below ↓↓↓ More Pi videos from Numberphile: http://bit.ly/W4oDN1 This video features Dr James Grime -

  • 05:43 How to order 43 Chicken McNuggets - Numberphile

    How to order 43 Chicken McNuggets - Numberphile

    302 views / 0 likes - added

    We're exploring the world of Chicken Nuggets and Frobenius numbers. 43 has long been a special number in the world of McNugget mathematics, but 11 is also important! More links & stuff in full description below ↓↓↓ This video features D

  • 15:13 The Golden Ratio (why it is so irrational) - Numberphile

    The Golden Ratio (why it is so irrational) - Numberphile

    212 views / 1 likes - added

    Check out Brilliant (and get 20% off) by clicking https://brilliant.org/numberphile Featuring Ben Sparks --- More links & stuff in full description below ↓↓↓ Golden seeds limited edition T-Shirt: https://teespring.com/NP-Seeds More Golden Ratio stuff: htt

  • 08:57 Neon Knots and Borromean Beer Rings - Numberphile

    Neon Knots and Borromean Beer Rings - Numberphile

    297 views / 0 likes - added

    More Cliff Stoll videos: http://bit.ly/Cliff_Videos More links & stuff in full description below ↓↓↓ Our first Borromean Ring Video: https://youtu.be/x6Ml4AEt0kk Tadashi does Borromean Rings: https://youtu.be/Ra9I_-o2LHM Knot playlist: http://bit.ly/Knot-

  • 19:48 Is the "hot hand" real? - Numberphile

    Is the "hot hand" real? - Numberphile

    384 views / 0 likes - added

    New research sheds light on the so-called Hot Hand Fallacy. Featuring Professor Lisa Goldberg. More links & stuff in full description below ↓↓↓ A bit extra from this interview: https://youtu.be/BvG35txQkD0 More with Professor Goldberg: http://bit.ly/LisaG

  • 17:32 The Math (and money) of Soccer Stickers - Numberphile

    The Math (and money) of Soccer Stickers - Numberphile

    284 views / 0 likes - added

    Check out Brilliant (and get 20% off) by clicking https://brilliant.org/numberphile Featuring Federico Ardila --- More links & stuff in full description below ↓↓↓ Extra footage (the 'beautiful math' bit): https://youtu.be/iMSitUaoS3I Extra footage (some f

  • 06:18 The Pentomino Puzzle (and Tetris) - Numberphile

    The Pentomino Puzzle (and Tetris) - Numberphile

    311 views / 0 likes - added

    Featuring Alex Bellos on Polyominoes. See the accompanying coin hexagon video: https://youtu.be/_pP_C7HEy3g More links & stuff in full description below ↓↓↓ More Alex Bellos videos: http://bit.ly/Bellos_Playlist Related Bellos books on Amazon... US links

  • 05:04 The Coin Hexagon - Numberphile

    The Coin Hexagon - Numberphile

    206 views / 0 likes - added

    Featuring Alex Bellos. See the accompanying Dudeney Pentominoes video: https://youtu.be/wZ1E_CM7MqA More links & stuff in full description below ↓↓↓ More Alex Bellos videos: http://bit.ly/Bellos_Playlist Coin playlist: http://bit.ly/coins_videos Box of Pu

  • 06:03 Don Bradman's Duck - Numberphile

    Don Bradman's Duck - Numberphile

    240 views / 0 likes - added

    One of the most famous stories from the sort of cricket involves numbers, averages, and a duck. More links & stuff in full description below ↓↓↓ Archive footage courtesy of AP Archive: https://www.youtube.com/c/aparchive * Batting average list shown was c

  • 05:54 Ham Sandwich Problem - Numberphile

    Ham Sandwich Problem - Numberphile

    259 views / 0 likes - added

    This video features Dr Hannah Fry (more links below) ↓↓↓ Check out Brilliant.org: https://brilliant.org/numberphile (20% off premium subscription) That circle cutting problem on Brilliant: https://brilliant.org/NumberphileSandwich Hannah Fry on Twitter: h

  • 16:12 River Crossings (and Alcuin Numbers) - Numberphile

    River Crossings (and Alcuin Numbers) - Numberphile

    343 views / 0 likes - added

    Discussing vertex covers and Alcuin numbers for graphs - and a famous old puzzle. Filmed at MSRI with Dr Annie Raymond. More links & stuff in full description below ↓↓↓ Annie Raymond: https://www.msri.org/people/38568 The Alcuin Number of a Graph: https:/

  • 09:07 The Square-Sum Problem - Numberphile

    The Square-Sum Problem - Numberphile

    250 views / 0 likes - added

    Matt Parker discusses a problem involving Square Sums. Go deeper with extra footage: https://youtu.be/7_ph5djCCnM More links & stuff in full description below ↓↓↓ More Matt Parker on Numberphile: http://bit.ly/Matt_Videos Matt's projects and other stuff:

  • 09:06 Superpermutations - Numberphile

    Superpermutations - Numberphile

    358 views / 0 likes - added

    The Great Courses Plus (free trial): http://ow.ly/C3FE30hIvhc This video features Dr James Grime. More links & stuff in full description below ↓↓↓ More James Grime on Numberphile: http://bit.ly/grimevideos James Grime: http://singingbanana.com Tackling th

  • 03:24 Round Peg in a Square Hole - Numberphile

    Round Peg in a Square Hole - Numberphile

    364 views / 0 likes - added

    Featuring Tadashi Tokieda - more Tadashi videos at: http://bit.ly/tadashi_vids More links & stuff in full description below ↓↓↓ Tadashi Tokieda is a Professor of Mathematics at Stanford University (though this was filmed when he was at Cambridge, in the U

  • 14:03 Tree Gaps and Orchard Problems - Numberphile

    Tree Gaps and Orchard Problems - Numberphile

    220 views / 0 likes - added

    Get 10% off at Squarespace: https://www.squarespace.com/numberphile This feature features Ben Sparks... More links & stuff in full description below ↓↓↓ Ben Sparks Twitter: https://twitter.com/SparksMaths More of Ben on Numberphile: https://youtu.be/ETrYE

  • 06:40 Number Sticks - Numberphile

    Number Sticks - Numberphile

    241 views / 0 likes - added

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  • 22:32 Cannons and Sparrows - Numberphile

    Cannons and Sparrows - Numberphile

    226 views / 0 likes - added

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  • 08:06 Catalan's Conjecture - Numberphile

    Catalan's Conjecture - Numberphile

    293 views / 0 likes - added

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  • 08:25 Calculating a Car Crash - Numberphile

    Calculating a Car Crash - Numberphile

    261 views / 0 likes - added

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    Braids in Higher Dimensions - Numberphile

    231 views / 0 likes - added

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  • 09:20 An astonishing old calculator - Numberphile

    An astonishing old calculator - Numberphile

    276 views / 1 likes - added

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  • 08:40 78557 and Proth Primes - Numberphile

    78557 and Proth Primes - Numberphile

    255 views / 0 likes - added

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  • 09:00 The Enormous TREE(3) - Numberphile

    The Enormous TREE(3) - Numberphile

    243 views / 0 likes - added

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  • 10:33 Strange Spheres in Higher Dimensions - Numberphile

    Strange Spheres in Higher Dimensions - Numberphile

    232 views / 0 likes - added

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  • 08:04 Casting Out Nines - Numberphile

    Casting Out Nines - Numberphile

    239 views / 0 likes - added

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  • 09:08 Aaron Numbers - Numberphile

    Aaron Numbers - Numberphile

    304 views / 0 likes - added

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    An unexpected way to inflate a balloon - Numberphile

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    The Ideal Auction - Numberphile

    279 views / 0 likes - added

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  • 03:32 When do clock hands overlap? - Numberphile

    When do clock hands overlap? - Numberphile

    259 views / 0 likes - added

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  • 08:55 Pancake Numbers - Numberphile

    Pancake Numbers - Numberphile

    323 views / 0 likes - added

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    Juggling by Numbers - Numberphile

    353 views / 0 likes - added

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  • 06:23 The Neverending Story (and Droste Effect) - Numberphile

    The Neverending Story (and Droste Effect) - Numberphile

    244 views / 0 likes - added

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    Secrets to measuring a piece of paper - Numberphile

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  • 10:00 Fibonacci Numbers hidden in the Mandelbrot Set - Numberphile

    Fibonacci Numbers hidden in the Mandelbrot Set - Numberphile

    313 views / 1 likes - added

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  • 07:33 Equally sharing a cake between three people - Numberphile

    Equally sharing a cake between three people - Numberphile

    391 views / 0 likes - added

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  • 09:31 Fold and Cut Theorem - Numberphile

    Fold and Cut Theorem - Numberphile

    316 views / 0 likes - added

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  • 05:02 The Kolakoski Sequence - Numberphile

    The Kolakoski Sequence - Numberphile

    350 views / 0 likes - added

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  • 08:33 Derangements - Numberphile

    Derangements - Numberphile

    290 views / 0 likes - added

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  • 11:30 4D MONKEY DUST

    4D MONKEY DUST

    412 views / 0 likes - added

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  • 09:27 Large Gaps between Primes - Numberphile

    Large Gaps between Primes - Numberphile

    258 views / 0 likes - added

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  • 05:09 13532385396179 - Numberphile

    13532385396179 - Numberphile

    406 views / 0 likes - added

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  • 03:38 A Quick Cake Conundrum - Numberphile

    A Quick Cake Conundrum - Numberphile

    374 views / 0 likes - added

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  • 13:53 Math vs Physics - Numberphile

    Math vs Physics - Numberphile

    343 views / 0 likes - added

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  • 09:58 How many particles in the Universe? - Numberphile

    How many particles in the Universe? - Numberphile

    379 views / 0 likes - added

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  • 06:35 210 is VERY Goldbachy - Numberphile

    210 is VERY Goldbachy - Numberphile

    368 views / 0 likes - added

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  • 10:13 Squared Squares - Numberphile

    Squared Squares - Numberphile

    316 views / 0 likes - added

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  • 03:40 A Nice Square - Numberphile

    A Nice Square - Numberphile

    373 views / 0 likes - added

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  • 13:53 Gödel's Incompleteness Theorem - Numberphile

    Gödel's Incompleteness Theorem - Numberphile

    300 views / 0 likes - added

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  • 09:59 Goldbach Conjecture - Numberphile

    Goldbach Conjecture - Numberphile

    427 views / 0 likes - added

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  • 07:25 Stable Rollers - Numberphile

    Stable Rollers - Numberphile

    248 views / 0 likes - added

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  • 12:33 Pascal's Triangle - Numberphile

    Pascal's Triangle - Numberphile

    389 views / 0 likes - added

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  • 10:57 The World's Best Mathematician - Numberphile

    The World's Best Mathematician - Numberphile

    390 views / 0 likes - added

    (*) Among current mathematicians, many people regard Professor Tao as the world's finest... Opinions on such things vary, of course. Professor Tao kindly fielded some of our questions, including many submitted by Numberphile viewers. EXTRA FOOTAGE: https:

  • 14:18 The Four Color Map Theorem - Numberphile

    The Four Color Map Theorem - Numberphile

    394 views / 0 likes - added

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  • 13:00 The Moving Sofa Problem - Numberphile

    The Moving Sofa Problem - Numberphile

    358 views / 0 likes - added

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  • 03:30 Reflected Cats - Numberphile

    Reflected Cats - Numberphile

    294 views / 0 likes - added

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  • 17:42 Twin Prime Conjecture - Numberphile

    Twin Prime Conjecture - Numberphile

    313 views / 0 likes - added

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  • 07:47 383 is cool - Numberphile

    383 is cool - Numberphile

    305 views / 0 likes - added

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  • 04:19 Binder Clip Climber - Numberphile

    Binder Clip Climber - Numberphile

    255 views / 0 likes - added

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  • 09:45 The Four 4s - Numberphile

    The Four 4s - Numberphile

    260 views / 0 likes - added

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  • 09:40 RSA-129 - Numberphile

    RSA-129 - Numberphile

    287 views / 0 likes - added

    The large number "RSA-129" posed a challenge experts said would take 40 quadrillion years to solve - but took 17. Featuring Ron Rivest, co-inventor of RSA... More links below... Our original RSA video (how it all works): https://youtu.be/M7kEpw1tn50 More

  • 09:11 Mathematics: Beauty vs Utility - Numberphile

    Mathematics: Beauty vs Utility - Numberphile

    276 views / 0 likes - added

    Should mathematics be done for its pure beauty or should it have practical uses? And why are many mathematicians so bad at outreach? Discussion with famous French mathematician, Cédric Villani. More Villani videos: http://bit.ly/Villani_Videos Numberphile

  • 02:13 Spider-Man (Cédric Villani) - Numberphile

    Spider-Man (Cédric Villani) - Numberphile

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  • 18:55 4.669  - Numberphile

    4.669 - Numberphile

    261 views / 0 likes - added

    Binge on learning at The Great Courses Plus: http://ow.ly/Z5yR307LfxY The Feigenbaum Constant and Logistic Map - featuring Ben Sparks. Ben Sparks: https://twitter.com/SparksMaths Random numbers: https://youtu.be/SxP30euw3-0 Mandelbrot Set: https://youtu.b

  • 24:10 Sandpiles - Numberphile

    Sandpiles - Numberphile

    287 views / 0 likes - added

    Luis David Garcia-Puente discusses sandpiles, and how they produce amazing "fractal zeroes". Dr Garcia-Puente is an associate professor at Sam Houston State University and was interviewed while attending an MSRI-UP summer program. We'd also like to thank

  • 14:42 The Seven Bridges of Königsberg - Numberphile

    The Seven Bridges of Königsberg - Numberphile

    288 views / 0 likes - added

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  • 10:42 e - Famed  Euler's Number.

    e - Famed Euler's Number.

    325 views / 0 likes - added

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  • 05:49 Incredible Formula - Numberphile

    Incredible Formula - Numberphile

    264 views / 0 likes - added

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  • 05:34 Balancing a Ruler - Numberphile

    Balancing a Ruler - Numberphile

    360 views / 0 likes - added

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  • 16:41 Super Bottle - Numberphile

    Super Bottle - Numberphile

    285 views / 0 likes - added

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  • 09:03 The Shortest Ever Papers - Numberphile

    The Shortest Ever Papers - Numberphile

    313 views / 0 likes - added

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  • 08:11 Too Many Triangles - Numberphile

    Too Many Triangles - Numberphile

    365 views / 0 likes - added

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  • 11:00 The Problems with Secret Santa - Numberphile

    The Problems with Secret Santa - Numberphile

    405 views / 0 likes - added

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  • 13:14 Fair Dice (Part 1) - Numberphile

    Fair Dice (Part 1) - Numberphile

    429 views / 0 likes - added

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  • 08:12 Fair Dice (Part 2) - Numberphile

    Fair Dice (Part 2) - Numberphile

    293 views / 0 likes - added

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  • 03:56 Mondrian Puzzle - Numberphile

    Mondrian Puzzle - Numberphile

    297 views / 1 likes - added

    Featuring Gordon Hamilton from Math Pickle. Read more: http://www.bradyharanblog.com/blog/mondrian-art-puzzle Thanks also to Ed Pegg Jr. Knight's Tour: https://youtu.be/ab_dY3dZFHM Support us on Patreon: http://www.patreon.com/numberphile Thanks to these

  • 08:47 How to Check Election Results (feat. Pólya's Urn) - Numberphile

    How to Check Election Results (feat. Pólya's Urn) - Numberphile

    452 views / 0 likes - added

    Professor Ron Rivest discusses a technique for post election audits - taking small samples and using Pólya's Urn. See our other election video with Prof Rivest: https://youtu.be/BYRTvoZ3Rho Perils of e-Voting on Computerphile: https://youtu.be/w3_0x6oaDmI

  • 08:34 Was YOUR vote counted? (feat. homomorphic encryption) - Numberphile

    Was YOUR vote counted? (feat. homomorphic encryption) - Numberphile

    301 views / 0 likes - added

    How to be sure your vote was counted ---- "End to End Verifiable Voting" with cryptopgraphy expert Professor Ron Rivest. See our other election video with Professor Rivest: https://youtu.be/ZM-i8t4pMK0 Problems with e-Voting via Computerphile: https://you

  • 13:58 The Josephus Problem - Numberphile

    The Josephus Problem - Numberphile

    361 views / 0 likes - added

    The Josephus Problem, featuring Daniel Erman from University of Wisconsin-Madison. Winning at Dots and Boxes: https://youtu.be/KboGyIilP6k NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Number

  • 06:28 Imagining Numbers as Shapes - Numberphile

    Imagining Numbers as Shapes - Numberphile

    457 views / 0 likes - added

    Thanks to sponsor Great Courses Plus: http://ow.ly/NURF302dIJV This video features Simon Pampena discussing a 60 Minutes report on Jacob "Jake" Barnett. Extra footage from this interview: https://youtu.be/3E9GZeeh9nI More Simon Pampena videos: http://bit.

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  • 09:03 Space-Filling Curves - Numberphile

    Space-Filling Curves - Numberphile

    359 views / 0 likes - added

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  • 10:03 The mystery of 0.577 - Numberphile

    The mystery of 0.577 - Numberphile

    409 views / 0 likes - added

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  • 09:50 A Hole in a Hole in a Hole - Numberphile

    A Hole in a Hole in a Hole - Numberphile

    332 views / 0 likes - added

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  • 08:06 Consecutive Coin Flips - Numberphile

    Consecutive Coin Flips - Numberphile

    401 views / 0 likes - added

    Thanks http://www.audible.com/numberphile (recommendations below) This video features Dr James Grime. More on coin flips: https://youtu.be/AYnJv68T3MM See the prime number video referenced at: https://youtu.be/YVvfY_lFUZ8 NUMBERPHILE Website: http://www.n

  • 04:51 Three Gears Are Possible - Numberphile

    Three Gears Are Possible - Numberphile

    288 views / 0 likes - added

    Henry Segerman (mathematician and 3D printing guru) discusses how to make three gears work together. Skew dice: https://youtu.be/uAnCL3vhVIs Prime Numbers Playlist: http://bit.ly/primevids Prime Machine: https://youtu.be/8UqCyepX3AI You can buy the gears

  • 07:42 The Remarkable Way We Eat Pizza - Numberphile

    The Remarkable Way We Eat Pizza - Numberphile

    323 views / 0 likes - added

    The Great Courses Plus free trial: http://ow.ly/RJw3301cRhU Cliff Stoll discusses a "Remarkable Theorem", Gaussian curvature and pizza. Postscript note from Cliff: "Cliff says he forgot to mention that at each point, he calls an outward going curve positi

  • 08:17 Little Fibs - Numberphile

    Little Fibs - Numberphile

    319 views / 0 likes - added

    A card trick which involves some little fibs. Extra footage at: https://youtu.be/cw63McIDWj8 'Mathemagician' Colm Mulcahy is Professor of Mathematics at Spelman College. Colm: http://cardcolm.org More cards and suffering videos: http://bit.ly/Cards_Shuffl

  • 04:22 74 Is Cracked - Numberphile

    74 Is Cracked - Numberphile

    334 views / 0 likes - added

    A breakthrough by a Numberphile viewer (with help from some computers). Extra footage: https://youtu.be/d6nUVa8EtlU Original video: https://youtu.be/wymmCdLdPvM See the paper by Sander Huisman: http://bit.ly/Sander_Paper Discussed by Tim Browning from the

  • 03:59 Catching Kendama - Numberphile

    Catching Kendama - Numberphile

    327 views / 0 likes - added

    Tadashi's back (for the final video in this mini series) demonstrating the Kendama and some angular momentum. Tadashi Tokieda will be back on Numberphile soon. Here's a playlist of his videos: http://bit.ly/tadashi_vids Kendama also known as bilboquet or

  • 07:46 Let's Talk About Sets - Numberphile

    Let's Talk About Sets - Numberphile

    303 views / 0 likes - added

    Dr Bobby Wilson talks about sets... Sum-free sets, fractal sets... All sorts of sets. NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Extra b

  • 12:38 The Key To The Riemann Hypothesis - Numberphile

    The Key To The Riemann Hypothesis - Numberphile

    318 views / 0 likes - added

    L-Functions are likely play a key role in proving the Riemann Hypothesis, says Professor Jon Keating from the University of Bristol. L-Function & Modular Form database: http://www.lmfdb.org Prime Number and Riemann Hypothesis playlist: http://bit.ly/prime

  • 03:41 Money Catching - Numberphile

    Money Catching - Numberphile

    302 views / 0 likes - added

    Tadashi Tokieda puts $20 on the line... More Tadashi videos: http://bit.ly/tadashi_vids Paperclips: https://youtu.be/wGkvyN6s9cY Video by Brady Haran and Pete McPartlan (animations by Pete) NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on F

  • 02:41 Borromean Ribbons - Numberphile

    Borromean Ribbons - Numberphile

    311 views / 0 likes - added

    Tadashi Tokieda is talking about Borromean links again - this time using ribbons. More Tadashi videos: http://bit.ly/tadashi_vids Knots: http://bit.ly/Knot-a-Phile Video by Brady Haran and Pete McPartlan (animations by Pete) NUMBERPHILE Website: http://ww

  • 09:44 The Last Digit Of Prime Numbers - Numberphile

    The Last Digit Of Prime Numbers - Numberphile

    476 views / 0 likes - added

    Dr James Grime on a new discovery in the Prime Numbers. Audible: http://www.audible.com/numberphile More Prime: http://bit.ly/primevids More Grime: http://bit.ly/grimevideos Read the paper discussed in this video: http://arxiv.org/abs/1603.03720 NUMBERPHI

  • 11:45 Partitions - Numberphile

    Partitions - Numberphile

    249 views / 0 likes - added

    Partitions are a major part of the Ramanujan story (as shown in the new film about his life) - but what are they? Dr James Grime tackles the issue. Extra footage: https://youtu.be/ksHqQW94KlE More James Grime on Numberphile: http://bit.ly/grimevideos Youn

  • 17:09 Perplexing Paperclips - Numberphile

    Perplexing Paperclips - Numberphile

    258 views / 0 likes - added

    Featuring Tadashi Tokieda. Part 2: https://youtu.be/iObpxBfOLv4 More Tadashi videos: http://bit.ly/tadashi_vids Raw paperclips slow motions: https://youtu.be/zuX5yy_93JA Video by Brady Haran and Pete McPartlan (animations by Pete) Spinning Tubes with Tada

  • 04:54 The Parker Square - Numberphile

    The Parker Square - Numberphile

    453 views / 0 likes - added

    Matt Parker reveals his pride and joy - the mysterious Parker Square! MORE LINKS IN FULL DESCRIPTION BELOW... T-Shirt: http://bit.ly/ParkerSquareTshirt For all your Parker Square needs: http://theparkersquare.com Parker Square on Twitter: https://twitter.

  • 03:58 Magic Square Party Trick - Numberphile

    Magic Square Party Trick - Numberphile

    452 views / 0 likes - added

    Matt Parker shows off his Magic Square party trick (unlike magicians, mathematicians often reveal their secrets). More Magic Square videos: http://bit.ly/MagicSquareVideos Rubik's Cube videos: http://bit.ly/rubiksvids More Matt on Numberphile: http://bit.

  • 04:05 Subtracting Paperclips - Numberphile

    Subtracting Paperclips - Numberphile

    270 views / 0 likes - added

    Part One: https://youtu.be/wGkvyN6s9cY Featuring Tadashi Tokieda. More Tadashi videos: http://bit.ly/tadashi_vids Raw paperclips slow motions: https://youtu.be/zuX5yy_93JA Video by Brady Haran and Pete McPartlan (animations by Pete) NUMBERPHILE Website: h

  • 06:25 Weird But Fair Dice (plus The D120) - Numberphile

    Weird But Fair Dice (plus The D120) - Numberphile

    279 views / 0 likes - added

    See more links about the dice in the full description below... Extra footage at Numberphile2: https://youtu.be/pCCtcqyazOE Henry Segerman: http://www.segerman.org More about dice designs: http://bit.ly/AboutDice Buy these dice and others at: http://bit.ly

  • 05:44 Crank Files - Numberphile

    Crank Files - Numberphile

    326 views / 0 likes - added

    Keith Moore from the Royal Society shows Matt Parker (and Brady) a few math papers from the society archives. See more like this at Objectivity: http://bit.ly/Objectivity Support us on Patreon: http://www.patreon.com/numberphile Better look at papers: htt

  • 08:38 Are You REALLY Sick? (false Positives) - Numberphile

    Are You REALLY Sick? (false Positives) - Numberphile

    421 views / 0 likes - added

    Bayes' Theorem applied to disease diagnosis. Featuring Lisa Goldberg from UC Berkeley Department of Statistics. Extra footage: https://youtu.be/sFNJc6gsap4 Monty Hall: http://bit.ly/MontyHallProb NUMBERPHILE Website: http://www.numberphile.com/ Numberphil

  • 26:19 Perfect Shapes In Higher Dimensions - Numberphile

    Perfect Shapes In Higher Dimensions - Numberphile

    394 views / 0 likes - added

    Carlo Sequin talks through platonic solids and regular polytopes in higher dimensions. Extra footage (Hypernom): https://youtu.be/unC0Y3kv0Yk More videos with with Carlo: http://bit.ly/carlo_videos Edit and animation by Pete McPartlan Pete used Stella4D -

  • 09:28 The Heart Of Fermat's Last Theorem - Numberphile

    The Heart Of Fermat's Last Theorem - Numberphile

    421 views / 0 likes - added

    Modularity... Simon Pampena gets to the heart of proving Fermat's Last Theorem. Audible: www.audible.com/numberphile More Numberphile videos on Fermat: http://bit.ly/fermat_videos Simon Pampena is Australia's Numeracy Ambassador --- https://twitter.com/ma

  • 13:00 Problems with Zero - Numberphile

    Problems with Zero - Numberphile

    370 views / 0 likes - added

    Dividing by zero, zero divided by zero and zero to the power of zero - all pose problems! Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile This video features Matt Parker and James Grime - ht

  • 13:20 Shuffling Card Trick - Numberphile

    Shuffling Card Trick - Numberphile

    473 views / 0 likes - added

    Free audio book: http://www.audible.com/numberphile Jason Davison shows us a cool card trick using the so-called Gilbreath Principle. More card videos from Numberphile: http://bit.ly/Cards_Shuffling Jason's website: http://davisonmagic.com NUMBERPHILE Web

  • 08:33 120 year old fully functioning calculator

    120 year old fully functioning calculator

    353 views / 0 likes - added

    Cliff is back with an amazing device - The Millionaire. More videos with Cliff Stoll: http://bit.ly/KleinBottles Calculator unboxings: http://bit.ly/CalcUnbox NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.co

  • 12:53 Strange Spinning Tubes - Numberphile

    Strange Spinning Tubes - Numberphile

    426 views / 0 likes - added

    Tadashi is back with more mathematical toys - this time small tubes which do intriguing things when they spin. Extra footage from this interview: https://youtu.be/5dJsOF7_GfY More Tadashi Tokieda videos: http://bit.ly/tadashi_vids Film by Pete McPartlan (

  • 10:38 The Mathematics Of Crime And Terrorism  - Numberphile

    The Mathematics Of Crime And Terrorism - Numberphile

    359 views / 0 likes - added

    Thanks Audible: http://www.audible.com/numberphile Hannah Fry on the mathematics of crime and terrorism, on which she has co-authored a new paper. The paper: http://bit.ly/1nKR7Lk (open access version) NUMBERPHILE Website: http://www.numberphile.com/ Numb

  • 10:00 Triangles Have A Magic Highway - Numberphile

    Triangles Have A Magic Highway - Numberphile

    392 views / 0 likes - added

    Triangles have multiple centres, and many of them lie on the so-called Euler Line. Extra footage: https://youtu.be/p7oGGSwUFwM Featuring Zvezdelina Stankova. Editing and animation by Pete McPartlan. Thanks also to Tom Davis of http://geometer.org More vid

  • 06:49 The Man With 1,000 Klein Bottles UNDER His House - Numberphile

    The Man With 1,000 Klein Bottles UNDER His House - Numberphile

    369 views / 0 likes - added

    Thanks Squarespace: http://squarespace.com/numberphile More Numberphile on Klein Bottles: http://bit.ly/KleinBottles This video features Cliff Stoll, the man behind ACME Klein Bottles: http://bit.ly/ACME_Klein NUMBERPHILE Website: http://www.numberphile.c

  • 23:22 Hunt For The Elusive 4th Klein Bottle - Numberphile

    Hunt For The Elusive 4th Klein Bottle - Numberphile

    298 views / 0 likes - added

    Carlo Séquin on his search for the elusive "fourth type of Klein bottle". More videos on Klein Bottles: http://bit.ly/KleinBottles Carlo's paper: http://bit.ly/Carlo_Klein Also featuring Carlo: Mobius House https://youtu.be/iwo7JReFTeg Torus Donut https:/

  • 02:22 How To Make A Klein Bottle (in Three Dimensions) - Numberphile

    How To Make A Klein Bottle (in Three Dimensions) - Numberphile

    324 views / 0 likes - added

    Cliff Stoll on how he makes Klein Bottles from glass. More videos on Klein Bottles: http://bit.ly/KleinBottles ACME Klein Bottles: http://bit.ly/ACME_Klein NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/n

  • 07:45 Why 82,000 Is An Extraordinary Number - Numberphile

    Why 82,000 Is An Extraordinary Number - Numberphile

    324 views / 0 likes - added

    Check out How Not To Be Wrong by Jordan Ellenberg: http://bit.ly/HowNotToBeWrong And special Kindle offer: http://bit.ly/Wrong_Special This video features Dr James Grime - http://singingbanana.com Cheers to Thomas Oléron Evans for inspiring James: http://

  • 14:22 Funny Fractions And Ford Circles - Numberphile

    Funny Fractions And Ford Circles - Numberphile

    433 views / 2 likes - added

    Farey Sequences, Ford Circles and a strange addition sign... Featuring Francis Bonahon from the University of Southern California. Watch EPIC CIRCLES: https://www.youtube.com/watch?v=sG_6nlMZ8f4 Periodic Videos chemistry: https://www.youtube.com/periodicv

  • 05:22 More Hyperbolic Sports - Numberphile

    More Hyperbolic Sports - Numberphile

    317 views / 0 likes - added

    Follows on from the previous video (last week) about hyperbolic sports: https://youtu.be/u6Got0X41pY Featuring Dick Canary from the University of Michigan. Extra footage on Numberphile2: https://youtu.be/dpMMtm437MU Exactly a yard: https://youtu.be/T26Cw7

  • 12:58 Embedding A Torus (John Nash) - Numberphile

    Embedding A Torus (John Nash) - Numberphile

    350 views / 0 likes - added

    This videos features James Grime with a little bit of Edward Crane. Ed's full discussion of Nash and embedding: https://youtu.be/5xQ4ePN79-M Nash shared both the Nobel and Abel Prizes. Full details. Nobel: http://www.nobelprize.org/nobel_prizes/economic-s

  • 06:39 New World's Biggest Prime Number (PRINTED FULLY ON PAPER) - Numberphile

    New World's Biggest Prime Number (PRINTED FULLY ON PAPER) - Numberphile

    343 views / 0 likes - added

    Matt Parker on the latest Mersenne Prime to take the title of "world's biggest prime". He had it printed! More from this interview very soon, including details of how the prime was found. PART TWO: https://youtu.be/lEvXcTYqtKU PART THREE on Numberphile2:

  • 12:32 How They Found The World's Biggest Prime Number - Numberphile

    How They Found The World's Biggest Prime Number - Numberphile

    382 views / 0 likes - added

    Featuring Matt Parker... See part one at: https://youtu.be/tlpYjrbujG0 Part three on Numberphile2: https://youtu.be/jNXAMBvYe-Y Matt's interview with Curtis Cooper: https://youtu.be/q5ozBnrd5Zc The previous record: https://youtu.be/QSEKzFGpCQs Mersenne Nu

  • 12:25 Fantastic Quaternions - Numberphile

    Fantastic Quaternions - Numberphile

    280 views / 0 likes - added

    Dr James Grime discusses a type of number beyond the complex numbers, and why they are useful. Extra footage: https://youtu.be/ISbJ9S0fzwY NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Number

  • 09:04 Shapes And Hook Numbers - Numberphile

    Shapes And Hook Numbers - Numberphile

    345 views / 0 likes - added

    Shapes, Tableaux and Hook Numbers. Featuring Professor Curtis Greene from Haverford College. Extra footage: https://youtu.be/JiwM5g_RC3c Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile Videos

  • 08:39 The IPhone Of Slide Rules - Numberphile

    The IPhone Of Slide Rules - Numberphile

    423 views / 0 likes - added

    Thanks Audible: http://www.audible.com/numberphile Alex Bellos discusses slide rules and then the Halden Calculex, which he describes as the "iPhone of Slide Rules" Alex Bellos: http://www.alexbellos.com Slide Rule Museum: http://sliderulemuseum.com Purdu

  • 03:15 Super-fast Way To Tie Shoelaces - Numberphile

    Super-fast Way To Tie Shoelaces - Numberphile

    367 views / 0 likes - added

    Just for fun... Featuring Matt Parker. Some REAL knot action at: http://bit.ly/Knot-a-Phile More videos with Matt: http://bit.ly/standupmaths --- And Matt's book: http://bit.ly/Make_Do_Numberphile NUMBERPHILE Website: http://www.numberphile.com/ Numberphi

  • 07:22 Freaky Dot Patterns - Numberphile

    Freaky Dot Patterns - Numberphile

    415 views / 0 likes - added

    Tadashi Tokieda is back, this time with Moiré Patterns. More with Tadashi: http://bit.ly/tadashi_vids Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile Out thanks also to our Patreon supporters,

  • 13:32 Glitch Primes And Cyclops Numbers - Numberphile

    Glitch Primes And Cyclops Numbers - Numberphile

    342 views / 0 likes - added

    Audible: http://www.audible.com/numberphile Simon Pampena on Glitch Primes and Binary Cyclops Numbers. Simon on Twitter: https://twitter.com/mathemaniac Some book recommendations... Love & Math by Edward Frenkel, The Simpsons and their Mathematical Secret

  • 05:53 A Game For The Elliptical Pool Table - Numberphile

    A Game For The Elliptical Pool Table - Numberphile

    350 views / 0 likes - added

    Video explaining the elliptical pool table: http://youtu.be/4KHCuXN2F3I And some extra footage: http://youtu.be/pulp55gTKGE Alex Bellos' Loop Table website: http://www.loop-the-game.com Alex discusses the topic in his book Alex Through the Looking-Glass (

  • 03:40 Elliptical Pool Table - Numberphile

    Elliptical Pool Table - Numberphile

    361 views / 1 likes - added

    A game to play on the elliptical table: http://youtu.be/3WHBlPvK3Ek And more extra footage: http://youtu.be/pulp55gTKGE Alex Bellos' Loop Table website: http://www.loop-the-game.com Alex discusses the topic in his book Alex Through the Looking-Glass (UK)

  • 10:54 Secrets Of 3-Board Tic-Tac-Toe - Numberphile

    Secrets Of 3-Board Tic-Tac-Toe - Numberphile

    347 views / 0 likes - added

    X-Only Misere Version! Previous video: https://youtu.be/ktPvjr1tiKk Extra discussion: https://youtu.be/v494yltz_7I Featuring Thane Plambeck. More at: http://www.notakto.com (app based on this) and paper on the game and its mathematics: http://arxiv.org/pd

  • 04:46 Six Dice One-Roll Yahtzee (in Super Slow Motion) - Numberphile

    Six Dice One-Roll Yahtzee (in Super Slow Motion) - Numberphile

    290 views / 0 likes - added

    It's the video you never knew you were waiting for... With pink dice! More Yahtzee videos from Numberphile: http://bit.ly/yahtzeerolls Patreon: https://www.patreon.com/numberphile With thanks to these supporters: Peter Michael Osudar (Mr. O) Herschal Sand

  • 07:20 Tic-Tac-Toe (with Xs Only) - Numberphile

    Tic-Tac-Toe (with Xs Only) - Numberphile

    320 views / 0 likes - added

    Changing the rules of Tic-Tac-Toe to create interesting scenarios. Featuring Thane Plambeck. And even more soon. Dots and Boxes: https://youtu.be/KboGyIilP6k Connect Four: https://youtu.be/yDWPi1pZ0Po NUMBERPHILE Website: http://www.numberphile.com/ Numbe

  • 07:36 Unexpected Shapes (Part 1) - Numberphile

    Unexpected Shapes (Part 1) - Numberphile

    364 views / 0 likes - added

    Tadashi Tokieda cuts various combinations of loops and Mobius loops - with surprising results. Part 2: https://youtu.be/mh3eMt09EAs And more: http://bit.ly/tadashi_vids NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.f

  • 06:39 Unexpected Shapes (Part 2) - Numberphile

    Unexpected Shapes (Part 2) - Numberphile

    314 views / 0 likes - added

    See part one at: https://youtu.be/wKV0GYvR2X8 Tadashi Tokieda continues to cut loops and Mobius strips... And more: http://bit.ly/tadashi_vids NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Nu

  • 02:09 Cute Paper Trick - Numberphile

    Cute Paper Trick - Numberphile

    458 views / 0 likes - added

    A little extra trick based on some of the Mobius cutting videos we recently published. Featuring Tadashi Tokieda. MORE: http://bit.ly/tadashi_vids NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphil

  • 07:31 Cutting A Klein Bottle In Half - Numberphile

    Cutting A Klein Bottle In Half - Numberphile

    433 views / 0 likes - added

    Klein Bottle enthusiast Cliff Stoll uses a diamond saw on a glass Klein Bottle. More videos about his bottles: http://bit.ly/KleinBottles Cliff's site (selling bottles): http://bit.ly/ACME_Klein NUMBERPHILE Website: http://www.numberphile.com/ Numberphile

  • 08:29 The Uncracked Problem With 33 - Numberphile

    The Uncracked Problem With 33 - Numberphile

    474 views / 0 likes - added

    33 is the lowest unsolved problem in the world of "summing three cubes". But 30 was also a tough nut to crack! Featuring Tim Browning from the University of Bristol. Taxi Cab Numbers: https://youtu.be/LzjaDKVC4iY Fermat's Last Theorem: https://youtu.be/qi

  • 06:10 How DNA Unties Its Own Knots - Numberphile

    How DNA Unties Its Own Knots - Numberphile

    328 views / 0 likes - added

    How "Pac-Man" unties knots in our DNA... This is Part Two of DNA Topology featuring Professor Mariel Vazquez from UC Davis. Part One: https://youtu.be/AxxnziuL408 NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.faceboo

  • 09:11 The Shape Of DNA - Numberphile

    The Shape Of DNA - Numberphile

    356 views / 0 likes - added

    The amazing knots, twists and turns inside our cells. This is Part One of DNA Topology featuring Professor Mariel Vazquez from UC Davis. Part Two: Coming Soon Videos by Brady Haran Editing and animation in this video by Pete McPartlan NUMBERPHILE Website:

  • 10:26 Skewes' Massive Number - Numberphile

    Skewes' Massive Number - Numberphile

    338 views / 0 likes - added

    Dr James Grime on the epic Skewes' Number. Lynda free trial (worth a look): http://www.lynda.com/numberphile Prime numbers: http://bit.ly/primevids Graham's Number: http://bit.ly/GrahamsNumber A small bit we chopped from this video: https://youtu.be/qgN6D

  • 09:31 Fold And Cut Theorem - Numberphile

    Fold And Cut Theorem - Numberphile

    439 views / 0 likes - added

    Lynda free trial (try the typography stuff!!): http://www.lynda.com/numberphile Katie Steckles discusses the Fold and Cut Theorem - from A to Z. Katie: http://www.katiesteckles.co.uk More on the topic: http://erikdemaine.org/foldcut/ NUMBERPHILE Website:

  • 09:41 Philosophy Of Numbers - Numberphile

    Philosophy Of Numbers - Numberphile

    379 views / 0 likes - added

    We revisit the philosophy department and the question of whether numbers really exist? Featuring Mark Jago from the University of Nottingham. Earlier video on numbers' existence: https://youtu.be/1EGDCh75SpQ Infinity paradoxes: https://youtu.be/dDl7g_2x74

  • 07:56 Pi And The Mandelbrot Set - Numberphile

    Pi And The Mandelbrot Set - Numberphile

    367 views / 0 likes - added

    Thanks to Audible --- http://www.audible.com/numberphile This video features Dr Holly Krieger. Extra footage from this interview: https://youtu.be/r8Ksuc7T-VQ More videos with Holly Krieger: http://bit.ly/HollyKrieger Numberphile is supported by the Mathe

  • 06:11 Powers Of 2 - Numberphile

    Powers Of 2 - Numberphile

    322 views / 0 likes - added

    Powers of 2 and leading digits. Featuring Dmitry Kleinbock from Brandeis University. Filmed at MSRI in Berkeley. More footage: https://youtu.be/vetsor9NTF8 Benford's Law: https://youtu.be/XXjlR2OK1kM NUMBERPHILE Website: http://www.numberphile.com/ Number

  • 13:54 Kakeya's Needle Problem  - Numberphile

    Kakeya's Needle Problem - Numberphile

    459 views / 0 likes - added

    The famed Kakeya Needle Problem, discussed by Charles Fefferman from Princeton University. Edit and animation by Pete McPartlan Film and interview by Brady Haran 17-gon: https://youtu.be/87uo2TPrsl8 NUMBERPHILE Website: http://www.numberphile.com/ Numberp

  • 04:29 Langton's Ant - Numberphile

    Langton's Ant - Numberphile

    353 views / 0 likes - added

    Langton's Ant - starring Katie Steckles (and Audrey). Extra footage: https://youtu.be/oTssNuDEkSc The 104-steps: https://youtu.be/xU072T4V12A John Conway videos: http://bit.ly/ConwayNumberphile Support us on Patreon: http://www.patreon.com/numberphile Kat

  • 15:05 The Opposite Of Infinity - Numberphile

    The Opposite Of Infinity - Numberphile

    389 views / 0 likes - added

    Continuing to talk Infinitesimals, this time with Dr James Grime. See last week's video: https://youtu.be/BBp0bEczCNg Dividing by Zero: https://youtu.be/BRRolKTlF6Q James Grime: http://singingbanana.com NUMBERPHILE Website: http://www.numberphile.com/ Num

  • 07:04 The 8 Queen Problem - Numberphile

    The 8 Queen Problem - Numberphile

    333 views / 0 likes - added

    Our thanks to lynda.com - use our link: http://www.lynda.com/numberphile Dr James Grime discusses a famous chess problem - placing eight queens "safely" on a chess board. Some extra footage from this video will appear on Numberphile2 next Monday... https:

  • 07:11 The Infinitesimal Monad - Numberphile

    The Infinitesimal Monad - Numberphile

    352 views / 0 likes - added

    More mind-bending math from the world of the infinitely big - and infinitesimally small. Featuring Professor Carol Wood from Wesleyan University. More from this interview: http://youtu.be/FVZqPaH94qU Infinity is bigger than you think: https://youtu.be/elv

  • 05:43 Möbius Knots And Roller Coasters - Numberphile

    Möbius Knots And Roller Coasters - Numberphile

    336 views / 0 likes - added

    Carlo H. Séquin (from UC Berkeley) discusses more knots - this time venturing into the worlds of snow sculptures, Möbius Bands and Roller Coasters! More videos to come at: http://bit.ly/Knot-a-Phile Edit and animation by Pete McPartlan. Film and interview

  • 07:38 What's Special About 196?

    What's Special About 196?

    312 views / 0 likes - added

    Free audio book offer: http://www.audible.com/numberphile Dr James Grime delves into the largely unresolved world of Lychrel Numbers? James Grime: https://twitter.com/jamesgrime For audio books by Numberphile stars, go to Audible and search these names; H


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