Numberphile video about number 11, marking the last binary day of a generation: 11.11.11. Exploring barcodes, check digits and CD technology. Filmed at the home ground of Nottingham Forest Football Club, The City Ground.
Explaining binary to understand why Pac-Man becomes unplayable after 255 levels.
We discuss the number 16 - a perfect square - and how sitting at table 16 led to something bigger for Matt Parker. In this video is Dr Ria Symonds from the University of Nottingham.
For many years, 8128 was the largest known perfect number. But what is a perfect number?
6174 is also known as Kaprekar's Constant.
69 is the largest number that most hand-held calculators can factorialize!
Why do 220 and 284 get along so well? Dr James Grime introduces us to the world of so-called amicable numbers.
Numbers can be interesting when studied in different languages and dialects - such as in Lincolnshire where we have dik, figgit and bumfit.
We use 153 as an example of a narcissistic number. Video features Dr Ria Symonds from the University of Nottingham.
31 is one of the special Mersenne Prime numbers. They are related to perfect numbers.
3435 is Matt Parker's "ex" favourite number - but they are still on good terms.
Why is "f" a number to people who work with computers?
Square roots, strange patterns and a mysterious constant - what are Matt's "grafting numbers" all about? And why is computer programming like skydiving?
17 is the minimum number of clues required to give a unique sudoku solution - but how did mathematicians prove this?
The square root of two is a fascinating number with a long and sordid history. It also forms the basis of most office paper, such as A4, A3, etc.
The fraction three quarters has a particular interest to biologists because of its link to the research of Max Kleiber and metabolic rates in animals.
Is 1 a prime number? Apparently not. Dr James Grime explains.
The NFC's streak of 14 Super Bowl coin toss wins has come to an end... And they aren't likely to do it again for another 32,766 years. Dr James Grime attempts to calculate how many years - on average - the NFC will wait to win another 14 in a row.
7 is an example of a happy number, as opposed to sad numbers. What makes a number happy? Dr Ria Symonds is from the University of Nottingham.
What's the probability that two people on the football/soccer pitch share a birthday? That's only 23 people (22 players and the ref, as long as there have been no red cards or injuries!!!) and there are 365 days in a normal year. Dr James Grime explains. Our thanks to Nottingham Forest Football Club.
We're talking pretty big numbers here... And an interesting idea about what it'd be like traveling in a Googolplex-sized Universe! With Antonio (Tony) Padilla and Ria Symonds from the University of Nottingham.
Magic squares are pretty interesting for Numberphiles any day of the week - but Roger shows us one with extra special "powers". Professor Roger Bowley works at the University of Nottingham.
Matt talks us through "Happification" and resulting structures it creates. Includes his fascinating Melancoil!?
The number 1729 is "famous" among mathematicians. Why? Featuring Dr James Grime and Professor Roger Bowley. 1729 is known as the Hardy--Ramanujan number or "Taxi Cab Number".
Astronomer Dr Meghan Gray on leap years and Julian dates. Meghan is making a "guest appearance" on Numberphile and is more familiar to viewers of our sister channels DeepSkyVideos and Sixty Symbols.
Why does Alex Clark, from the University of Leicester, have a strange fascination with 163? Some slightly more advanced stuff in this video, including the Ramanujan Constant and its use in a "famous" April Fool's joke.
There has been some internet buzz about 998001, so Numberphile sheds some light on matters. This video features Dr James Grime and we mention the YouTube channel Vsauce.
Douglas Adams - who would have turned 60 on March 11 - immortalised the number 42 in The Hitchhikers Guide to the Galaxy. Forty-two was calculated by Deep Thought! In this video is James Grime, Phil Moriarty and Gerardo Adesso.
Some stuff about Pi, the "celebrity number'. This video features maths-loving author Alex Bellos (http://alexbellos.com/) and Professor Roger Bowley from the University of Nottingham.
Professor Ed Copeland on a strange occurrence of Pi involving bouncing balls.
Dr Tony Padilla's unique (and low budget) twist on the Buffon's Needle experiment to learn the true value of Pi.
Professor Philip Moriarty attributes some sounds to Pi in a discussion about its randomness and the Feynman Point.
The Nazi's Enigma Machine - and the mathematics behind it - was a crucial part of World War II.
The flaw which allowed the Allies to break the Nazi Enigma code.
Why number 1 is the "leading digit" more often than you may expect?
Do the viewing figures on YouTube obey Benford's Law?
Your brain seems to treat numbers and words very differently (even if the number is written as a word!). So says cognitive neuropsychologist Brian Butterworth.
Time will "end" for 32-bit computers on 19 January, 2038.
What number is the "most favourite"? We analyse your comments.
Beautiful Dragon Curves, Fractals and Jurassic Park. Featuring Rob Eastaway.
There is a new "largest known prime number".
A numerical look at a World Cup winning goal. With thanks to the stats gurus at Opta
Rob Eastaway on his "zequals" estimation method - ruthless rounding!
Chatting with Numberphile regular, Dr James Grime. Some links below from the discussion...
Pi is famously calculated to trillions of digits - but Dr James Grime says 39 is probably enough
Talking about Grapheme to Colour Synesthesia with Alex from Bite Sci-Zed
An animated Dragon Curve by Pierre Bernard and music by Alan Stewart.
Just how hard was the second problem cracked by Will in Good Will Hunting? Matt Damon! And who doesn't love Homeomorphically Irreducible Trees?
George Dantzig, William Sidis, Srinivasa Ramanujan? Who was the real Good Will Hunting?
How accurately can we calculate Pi using hundreds of REAL pies?
The State of Indiana nearly passed a law which would have made Pi equal 3.2 - strange but true.
A 6'28" version of our "Pi with Pies" calculation. While the pies are usually delicious, this batch was not for consumption (even by hungry students, for those who suggested it!) but we feel they were used in a fun way to make people think about mathematics - perhaps some people who would not otherwise take an interest... To mark Pi Day we instead donated £314 to a local charity which helps feed people in crisis.
French numbers can pose problems for non-native speaker - especially when you move beyond 70. Also discussing problems with phone numbers and commas! Featuring Dr Paul Smith from the University of Nottingham.
In French culture, it is traditional for all grades to be out of 20 - and many teachers will NEVER give full marks! Featuring Dr Paul Smith, from the School of Modern Languages and Cultures at the University of Nottingham.
As promised, we join the Opta team harvesting data from football/soccer matches on match day.
Why was squaring the circle - the old-fashioned way - found to be impossible?
A chat about some of the ways legendary physicist Richard Feynman cracked safes (filing cabinets) at Los Alamos during the Manhattan Project. Discussed by Professor Roger Bowley.
Dr James Grime is back and talking about tortoises.
Using radioactive material to generate random numbers...
How do we know there are an infinite number of primes? Dr James Grime explains, with a bit of help from Euclid.
Okay, here is a little bit where James Clewett went off on a tangent!
Just a quick one from Brady after his return from Nepal.
Some of your favourite maths jokes are dissected in forensic fashion.
Not all jokes are in base 10...
Discussing pandigital numbers with Dr James Grime (and a special guest).
Singing a googol - but what about a googolplex? (contains some bleeped swearing) Featuring Helen Arney (http://helenarney.com/) and Matt Parker
An exciting paper about gaps between prime numbers - a step closer to proving the twin prime conjecture.
More on number/color synesthesia, including your questions for with Alex Dainis.
Extra footage.
Just a quick number trick with Dr James Grime.
Alan Stewart makes music for many of Brady's videos, including here on Numberphile. In this video he explains some of his compositions.
0! = 1 Dr James Grime tries to explain why this is the case
Numbers like e and Pi cannot be made using normal algebra. Featuring Australia's Numeracy Ambassador, Simon Pampena.
An emotional subject for some - we ask a linguist about Math (US-style) and Maths (British-style).
This is some extra stuff from Simon Pampena we didn't use in the first video!
Why do cicadas emerge every 17 years - featuring Steve Mould.
Discussing the brain-bending Grandi's Series and Thomson's Lamp - featuring Dr James Grime.
Prime numbers, Ulam Spirals and other cool numbery stuff with Dr James Grime.
More on prime numbers and Ulam's Spiral - this time focusing on 41 and Arthur C. Clarke.
Infinity can throw up some interesting paradoxes, from filling Hilbert's Hotel to painting Gabriel's Trumpet... Mark Jago is a philosophy lecturer with a background in computer science. The money game is known as St. Petersburg Paradox - it is quite famous!
Have you ever heard of Mills' Constant? Several people have pointed out the n=4 prime is 2521008887 (we missed an 8)
Which of these number sequences do you like best?
Two Americans living in England discuss the numeric nuances which cause them problems.
How do you measure with numbers if they have no size?
This video features Simon Pampena, Australia's numeracy ambassador.
The Prime Number Theorem shows that primes are like weeds, popping up everywhere! Dr James Grime explains
More on numerosity and number cognition with Brian Butterworth - this time discussing research with animals.
Steve Mould discusses shapes and solids of constant width, including the Reuleaux triangle and the UK's 50p coin.
Fix your wobbly table with just a small tweak - but why does this work?
Three Square Geometry Problem Featuring Professor Zvezdelina Stankova.
Part One of Golden Ratio Trilogy
Part Two of Golden Ratio Trilogy Proof that an infinite number of sequences have that "golden ratio" property - not just the Fibonacci Numbers.
Spearheading a Lune. Featuring Barry Mazur.
A million digits of Pi on one piece of paper (1.05 miles).
Behind the scenes and more information about our "Mile of Pi" film.
Matt Parker on Stern-Brocot numbers, fractions and rational numbers.
Trisecting angles and calculating cube roots was a big problem for Euclid and his cohorts. Discussed by Zsuzsanna Dancso at MSRI.
Zsuzsanna Dancso trisects an angle using origami - follows on from this video about Euclidean geometry
The legendary Don Knuth on the Dragon Curve and learning from his mistakes.
This video features 'games legend' Elwyn Berlekamp.
It is the lowest Lucas-Carmichael Number... Featuring Ed Copeland.
Hannah Fry on parallels between the game "rock paper scissors" and lizards in nature.
Randomness, coins and dental floss!
Randomness expert (and former magician) Persi Diaconis on whether it is best to catch a coin or let it fall to the ground.
Supereggs, Superellipses and Sergels torg - featuring Alex Bellos.
Professor David Eisenbud - director of MSRI - on the amazing 17-gon and its link to Gauss.
We're back with another unboxing by Matt Parker.
Dr James Grime on his beloved Little Professor.
One of the first people to stumble over imaginary numbers (namely the square root of -15) thought it was "subtle" and "useless".
Ken Ribet - a key player in the solution to Fermat's Last Theorem - gives a taste of how real mathematics is done... piece by piece and by human beings.
A clever use of random numbers to improve your odds in a number guessing game.
Dr James Grime delves into the largely unresolved world of Lychrel Numbers?
Continuing to talk Infinitesimals, this time with Dr James Grime.
Simon Pampena on Glitch Primes and Binary Cyclops Numbers.
Alex Bellos discusses slide rules and then the Halden Calculex, which he describes as the "iPhone of Slide Rules"
Shapes, Tableaux and Hook Numbers. Featuring Professor Curtis Greene from Haverford College.
Dr James Grime discusses a type of number beyond the complex numbers, and why they are useful.
Tadashi is back with more mathematical toys - this time small tubes which do intriguing things when they spin.
Three calculators from Staples receive our forensic examination.
Cliff is back with an amazing device - The Millionaire.
Jason Davison shows us a cool card trick using the so-called Gilbreath Principle. More card videos from Numberphile: http://bit.ly/Cards_Shuffling
Carlo Sequin talks through platonic solids and regular polytopes in higher dimensions.
Bayes' Theorem applied to disease diagnosis. Featuring Lisa Goldberg from UC Berkeley Department of Statistics.
Keith Moore from the Royal Society shows Matt Parker (and Brady) a few math papers from the society archives.
Modularity... Simon Pampena gets to the heart of proving Fermat's Last Theorem.
Matt Parker reveals his pride and joy - the mysterious Parker Square!
Matt Parker shows off his Magic Square party trick (unlike magicians, mathematicians often reveal their secrets).
Partitions are a major part of the Ramanujan story (as shown in the new film about his life) - but what are they?
Part One: https://youtu.be/wGkvyN6s9cY
Dr James Grime on a new discovery in the Prime Numbers.
L-Functions are likely to play a key role in proving the Riemann Hypothesis, says Professor Jon Keating from the University of Bristol.
Tadashi Tokieda puts $20 on the line...
Dr Bobby Wilson talks about sets... Sum-free sets, fractal sets... All sorts of sets.
Tadashi Tokieda is talking about Borromean links again - this time using ribbons.
Cédric Villani won the Fields Medal in 2010. You can learn more in his excellent book Birth of a Theorem.
Tadashi's back (for the final video in this mini series) demonstrating the Kendama and some angular momentum.
A breakthrough by a Numberphile viewer (with help from some computers).
A card trick which involves some little fibs.
Henry Segerman (mathematician and 3D printing guru) discusses how to make three gears work together.
Donald Knuth coined the term "Surreal Numbers" and wrote the first book about them after lunch with the man who devised them, John Conway.
Matt Parker appears courtesy of the South Surrey and Associated Regions Calculator Appreciation Society for Professionals and Amateurs
Solve by Ryan Jones. Music by Alan Stewart.
A prime number problem posed by Fermat that has been proved multiple times - including a famous proof using one just sentence.
Dr James Grime discusses Penney's Game - a cool probability trick to play with your friends.
Professor Ken Ribet discusses a mathematical problem involving bagels - and some clever combinatorics.
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!)
Cliff Stoll shows off an electric-powered slide rule.
Catch David on the Numberphile podcast: https://youtu.be/9y1BGvnTyQA
Rotating cedar balls. Here's a playlist of Tadashi Tokieda videos: http://bit.ly/tadashi_vids
Free trial at Great Courses Plus: http://ow.ly/7Hh2302dIFt
Tadashi is back, this time looking at drooping paper (and toilet paper).
Cedric Villani is one of the world's most famous mathematicians. What does he keep in his office, and how important is his office to doing inspirational mathematics?
A printing calculator with a dangerous twist? The Casio HR-100TE Plus-W.
Tadashi explores coffee and tea cups to new depths...
Cliff's glassware: http://bit.ly/ACME_Klein
Probability expert Professor Persi Diaconis (Stanford University) talking about dice.
Tadashi explores a special set of dice... And has a powerful lesson.
Henry Segerman shows us some 3D-printed space-filling curves, including the Hilbert Curve and Dragon Curve.
The harmonic series and the elusive Euler–Mascheroni constant.
Playlist of Tadashi Tokieda videos: http://bit.ly/tadashi_vids
Thanks to sponsor Great Courses Plus: http://ow.ly/NURF302dIJV
The Josephus Problem, featuring Daniel Erman from University of Wisconsin-Madison.
This video features Cliff Stoll... and the work of Leonhard Euler.
Professor Ron Rivest discusses a technique for post election audits - taking small samples and using Pólya's Urn.
How to be sure your vote was counted ---- "End to End Verifiable Voting" with cryptopgraphy expert Professor Ron Rivest.
Featuring Gordon Hamilton from Math Pickle.
Dr Hannah Fry discusses Secret Santa, anonymity and derangements. And a better way to do it.
How many triangles are too many? Featuring Henry Segerman from Oklahoma State University.
Tony Padilla discusses some of the shortest math papers to be published. From Conway to Nash.
Professor Carlo Séquin explains super bottles - and a super duper bottle. More Klein Bottle videos: http://bit.ly/KleinBottles
Dr James Grime discusses "e" - the famed Euler's Number.
Dr James Grime discusses a couple of clever formulas which are pandigital - using all the numbers from 1-9.
How to find a ruler's centre of gravity.
Luis David Garcia-Puente discusses sandpiles, and how they produce amazing "fractal zeroes".
Should mathematics be done for its pure beauty or should it have practical uses? And why are many mathematicians so bad at outreach?
Fields Medallist and math "celebrity" Cédric Villani is famous for wearing ornate spiders on his lapel.
The large number "RSA-129" posed a challenge experts said would take 40 quadrillion years to solve - but took 17.
It was a famous problem for many years - until a physics genius solved it all the way to infinity.
Squarespace (10% off): http://squarespace.com/numberphile
Featuring Gordon Hamilton from Math Pickle. More links below.
Tadashi Tokieda is back. This time talking about stability, instability and train wheels.
Just a few fun properties of Pascal's Triangle - discussed by Casandra Monroe, undergraduate math major at Princeton University. Filmed during the MSRI-UP summer program.
(*) Among current mathematicians, many people regard Professor Tao as the world's finest... Opinions on such things vary, of course.
The Four Color Map Theorem (or colour!?) was a long-standing problem until it was cracked in 1976 using a "new" method... computers!
Featuring Dan Romik from UC Davis.
This video features Alex Bellos. Extra footage with Alex and coloring: https://youtu.be/w8nc8wbgXPU
Yes, it's a cat video on YouTube.
Dr James Maynard is a leading figure in recent progress on the Twin Prime Conjecture.
Featuring Matt Parker... Part 2 (solution) here: https://youtu.be/pasyRUj7UwM
Previous video sets this up: https://youtu.be/-ruC5A9EzzE
Patreon: http://www.patreon.com/numberphile
Eight calculators professionally unboxed in just 31 minutes.
Professor David Eisenbud on the famed Goldbach Conjecture.
Carl Pomerance discusses 210 and its special relationship with Goldbach's Conjecture.
Marcus du Sautoy discusses Gödel's Incompleteness Theorem
Extra footage from our Squared Squares video: https://youtu.be/NoRjwZomUK0
A number which could earn its "finder" a $1000 prize.
A quick little problem from Cliff Stoll, who baked a birthday cake for Brady... More links & stuff in full description below ↓↓↓
Robbert Dijkgraaf is a mathematical physicist. Extra footage from this interview: https://youtu.be/FpkvNJCVEUA
Sponsored by Skillshare... 2-months free to first 500 people: http://www.skl.sh/Numberphile
James Maynard on discoveries about large gaps between prime numbers.
Thanks Squarespace: https://www.squarespace.com/numberphile
Derangements featuring Dr James Grime.
A story of baseball, number theory, and serendipity.
How often do a clock's minute and hour hands cross? Featuring Cliff Stoll..... See Objectivity at: https://www.youtube.com/c/ObjectivityVideos
Braids and the fourth dimension, with Dr Zsuzsanna Dancso.
A prime number "gift" from a mathematicians leaving his college.
Dr James Grime and a handy trick for checking calculations. Ditch the nines...
Cliff wants to tell a story on a Möbius strip... And discusses recursive hot chocolate!?
Video features Matt Parker.
This video features Dr Hannah Fry.
Juggling with Colin Wright.
When Cliff Stoll sets your homework, there's always an extra lesson.
Professor Tony Padilla on the epic number, TREE(3). Continues at: https://youtu.be/IihcNa9YAPk
Katie Steckles on Pancake Numbers..
Preston McAfee is the chief economist at Microsoft.
James Grime is back and talking prime numbers.
Using a kamifusen (a Japanese paper balloon). Featuring Tadashi Tokieda.
Cliff explains his passion for two Friden EC-132s.
One of the most famous stories from the sort of cricket involves numbers, averages, and a duck.
This video features Dr Hannah Fry (more links below) ↓↓↓
Discussing vertex covers and Alcuin numbers for graphs - and a famous old puzzle. Filmed at MSRI with Dr Annie Raymond.
Matt Parker discusses a problem involving Square Sums. Go deeper with extra footage: https://youtu.be/7_ph5djCCnM
This video features Ben Sparks. More links below ↓↓↓
Featuring Professor Günter Ziegler, who was visiting at MSRI.
This feature features Ben Sparks... More links & stuff in full description below ↓↓↓
Continues with the proof at: https://youtu.be/Or0uWM9bT5w
Featuring Tadashi Tokieda - more Tadashi videos at: http://bit.ly/tadashi_vids
Katie Steckles dazzles us with Mental Logs.
More Ron Rivest videos: http://bit.ly/RonRivest
Featuring Federico Ardila from San Francisco State University - filmed at MSRI.
More Cliff Stoll videos: http://bit.ly/Cliff_Videos
New research sheds light on the so-called Hot Hand Fallacy. Featuring Professor Lisa Goldberg.
Featuring Federico Ardila
Featuring Alex Bellos on Polyominoes. See the accompanying coin hexagon video: https://youtu.be/_pP_C7HEy3g
Featuring Alex Bellos. See the accompanying Dudeney Pentominoes video: https://youtu.be/wZ1E_CM7MqA
Featuring Ben Sparks
The silver ratio (and other metals) with Tony Padilla.
More links & stuff in full description below ↓↓↓
Discussing h-vectors and the g-conjecture. Featuring June Huh from the Institute for Advanced Study at Princeton University.
Tadashi discusses pressure and lift... with a toy of course!
This video features Dr James Grime - http://singingbanana.com
More Klein bottle videos: http://bit.ly/KleinBottles
One of the most famous free kicks ever taken - but how far from the goal was Brazil's Roberto Carlos?
A simple trick with some neat math behind it. More on Numberphile cards at: http://www.bradyharanblog.com/numberphile-playing-cards
Tadashi is back with a discussion of how we know where earthquakes occur. A second video is at: https://youtu.be/lubGnk0UZt0
This is a (stand-alone) continuation of the previous video at: https://youtu.be/2vnqSwWAn34
Truncatable Primes with Dr James Grime... Dr James Grime is available for public talks. See his website: http://singingbanana.com
Numberphile Playing Cards: http://bit.ly/NumberphileCards
Featuring Simon Pampena... Simon Pampena discusses antipodal points on tennis balls.
Extra interview footage with Hannah in the recording booth: https://youtu.be/Ci7VJNao5dU
Featuring Holly Krieger... With Dr Holly Krieger from Murray Edwards College, University of Cambridge.
Seriously? Matt Parker is talking about Fibonacci and Lucas numbers again. Part 2: https://youtu.be/z1THaBtc5RE
Featuring Professor Elisabeth Werner. Part 2 is on our Numberphile2 channel: https://youtu.be/HXqzs5Q0G0A
Featuring James Grime... More James Grime videos on Numberphile: http://bit.ly/grimevideos
Belphegor's Prime... Don't miss the extra footage on Numberphile2: https://youtu.be/9CcI5M1LfRs
Featuring Neil Sloane from the Online Encyclopedia of Integer Sequences (OEIS). Lunar Arithmetic (aka Dismal Arithmetic)
Featuring Hannah Fry.... Check out Brilliant (and get 20% off their premium service): https://brilliant.org/numberphile (sponsor)
Maybe pause the video and see if you can figure these out?
More videos with Dr Holly Krieger: http://bit.ly/HollyKrieger
Fun with toothpicks. Featuring Neil Sloane.
Featuring Simon Pampena... More coin-related videos: http://bit.ly/coins_videos
Featuring Tony Padilla...
This video features Edmund Harriss from University of Arkansas.
James Grime on the Hadwiger–Nelson problem.
Matt Parker talks about numbers - as he often does.
How many points do you need to win and avoid relegation from the English Premier League?
42 is the only remaining (eligible) number below 100 which has not been represented as the sum of three cubes... 33 was cracked by Andrew Booker from the University of Bristol.
Ed Harriss discusses the plastic ratio - more amazing than the golden ratio? You decide!
Matt Parker discusses multiplicative persistence.
Fields Medallist Charlie Fefferman talks about some classic infinite series.
T-shirt and poster details below.
Featuring Ben Sparks discussing the Mandelbrot Set (and Julia Sets).
The legendary Elwyn Berlekamp died on April 9, 2019. In a final filming session with Numberphile, the games expert taught us how to play Amazons. More links in full description below ↓↓↓
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
Dr James Grime discusses the mathematics of extinction. More links & stuff in full description below ↓↓↓
Neil Sloane discusses peaceable queens and chess. Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor)
Ben Sparks discusses the math behind a curious problem.... Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor)
Edmund Harriss introduces a very cool tiling and talks about Tribonacci Numbers.
Neil Sloane on the Van Eck Sequence... Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor)
Featuring Professor Noga Alon.
James Grime has a card trick (and wants your help improving it).
It was #3 on Hilbert's list of the most important problems in mathematics - until his student solved it.
A surprising link discussed by Professor Sergei Tabachnikov.
Featuring Neil Sloane from the OEIS. Full "Amazing Graphs Trilogy" and extras at: https://www.youtube.com/playlist?list=PLt5AfwLFPxWLkoPqhxvuA8183hh1rBnGM
Second of three videos we're doing on Navier Stokes and related fluid stuff... featuring Tom Crawford.
42 was the last remaining number below 100 which could not be expressed as the sum of three cubes (*) - UNTIL NOW
A problem posed in 1953 is finally cracked by a network of computers in seven hours.
Sabetta Matsumoto explains her mathematical tattoo.
Tom Crawford on the mathematics of where river water goes when it hits the sea.
Matt Parker discusses the forgotten flexagon... Extra footage at: https://youtu.be/_UXyRug_6qE
The biggest number we've ever tackled - TREE of Graham's Number.
Featuring Professor Maria Chudnovsky from Princeton University - see part two about her work on Perfect Graphs - https://youtu.be/C4Zr4cOVm9g
Grant Sanderson from 3Blue1Brown joins us to discuss an intriguing puzzle with a shrinking bullseye.
James Maynard discusses his proof that infinite primes exist missing each base 10 digit - he uses 7 as his arbitrary example. More links & stuff in full description below ↓↓↓
Archimedes's famous Cattle Problem had a truly epic solution. Featuring Alex Bellos.
A Thanksgiving special featuring Cliff Stoll.
James Maynard recently co-authored a proof of the Duffin-Schaeffer Conjecture.
The Dynamical Uniform Boundedness Conjecture with Dr Holly Krieger.
A counterexample to Hedetniemi's conjecture - featuring Erica Klarreich.
Outtakes: https://youtu.be/Wrj1Kl6CHIQ
Featuring Jayadev Athreya on a new discovery about platonic solids, in particular dodecahedra...
Fields Medallist Sir Timothy Gowers discusses Van der Waerden's theorem.
Dr Holly Krieger discusses Merterns' Conjecture.
Heronian triangles and other fascinating things, featuring Dr James Grime.
Johnny Ball on Russian and Egyptian Multiplication.
Tom Crawford from Oxford University looks at self-locating strings and interesting loops.
17 Klein Bottles become 1 - featuring Cliff Stoll and the glasswork of Lucas Clarke.
In a 3D world, it's possible to fill 4D Klein Bottles - featuring Cliff Stoll.
Dr James Grime on random Fibonacci Sequences...
Featuring Kit Yates...
Also known as Graeco-Latin Squares. Featuring Dr James Grime.
Ben Sparks discusses 5 and Pi.
With 2006 Fields Medallist Andrei Okounkov
A number of galactic proportions... See more #MegaFavNumbers on this playlist - https://bit.ly/MegaFavNumbers - and read below to contribute your own.
Neil Sloane from the OEIS discusses the Choix de Bruxelles.
Author and economist Tim Harford talking statistics - more from this interview at https://youtu.be/NOTN2FsdUHQ
Thomas Crawford talks foxes and rabbits.
Featuring Professor Sylvain Cappell from NYU. Extra footage at: https://youtu.be/NV3EeagyU0Y
Featuring author Alex Bellos - check his books (including the Language Lover's Puzzle Book) on Amazon: https://amzn.to/3oU0wjT
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_Butterworth
Dr James Grime is discussing a new prime-generating constant.
Thomas Crawford speaks about domes, curves, and catenaries.
Alex Bellos discusses how the Incans used knots in string (Quipu) to record numbers.
Dr Sabetta Matsumoto discusses some of the mathematics of colour in nature, including butterfly wings and soap films.
Tom Crawford discusses drag - then we drop the Empire State Building and Eiffel Tower into the ocean...
Professor Ed Copeland shows a proof by Joseph "Voldemort" Fourier that e is irrational.
This video features Tim Harford.
Kit Yates explains how he calculated that all the SARS-CoV-2 in the world would fit inside a Coke can - and discusses "Fermi Estimates".
Alex Bellos discusses how numbers were written in ancient Cuneiform.
Professor Mike Merrifield discusses diagrams popularized by Florence Nightingale.
Neil Sloane from the OEIS has another number sequence which escalates quickly.
OEIS founder Neil Sloane with more sequences to ponder - of course!
Sequence guru Neil Sloane on a sequence which puzzled him - until he spotted the mistake!
Tom Crawford discussing roulette and gambling with a famed strategy.
This video features Johnny Ball.
Featuring Neil Sloane from the OEIS - and his carpenter's plane.
Johnny Ball discusses Archimedes and the volume of a sphere.
Ben Sparks with another trick - can you guess how it works before he explains it?
Matt Henderson shows us a few animations he created to depict chaos.
Featuring Tom Crawford and an Oxford Admissions Question...
Featuring Marcus du Sautoy from Oxford University. Check his latest book "Thinking Better: The Art of the Shortcut"
Featuring Ben Sparks...
Matt Henderson is making lightning in mazes.
Johnny Ball is back talking about Hippocrates, Lunes, and a Fancy Q.
Featuring Matt Henderson...
A third dice trick with Ben Sparks
Matt Parker introducing Finite Fields and re-visits the infamous Parker Square...
Tom Crawford shows why water doesn't fall through a sieve with small enough holes.
The mathematical genius of JS Bach - featuring Marcus Du Sautoy.
Featuring Ayliean MacDonald...
Featuring the friendless number 10 for our 10-year anniversary... James Grime is back where it all began.
Featuring Hannah Fry discusses Train Graphs.
Featuring Matt Parker
Ayliean MacDonald discusses Hitomezashi Stitch Patterns.
Professor Tony Padilla discusses the Greek letter Omicron.
Featuring Grant Sanderson, creator of 3blue1brown.
Featuring Cliff Stoll
Another curious puzzle and number sequence from Neil Sloane.
Featuring Asaf Karagila.
Featuring Professor Hannah Fry
This the first or two parts with Matt Henderson and his plotter - more *very* soon.
Matt Henderson lets his plotter loose on Pi.
With Thomas Woolley...
Featuring Marcus du Sautoy discussing polyhedra and the art of Conrad Shawcross...
Cliff Stoll - the King of Klein Bottles - shows us more designs, including the Coke Klein Bottle...
Matt Parker explores the work of William Shanks - and boots up the ShanksBot.
Large factorials and the use of Stirling's Approximation. Featuring Professor Ken McLaughlin.
With Ben Sparks...
Featuring Tadashi Tokieda...
Featuring Johnny Ball...
Tom Crawford shows us some cool things about Euler's Formula...
Marcus du Sautoy on the clever use of mathematics to generate poetry...
Dr Harini Desiraju discusses Somos Sequences and a number which breaks a streak.
Featuring Jared Duker Lichtman.
Featuring Ayliean MacDonald.
Cliff scrutinizes the lyrics of a Nescafé advertisement dealing with the brand's famed 43 beans.
Thanks to Jane Street for their support...
Featuring Juanita Pinzón Caicedo from University of Notre Dame.
Featuring Professor Tony Padilla.
Featuring James Grime...
Featuring Zoe Griffiths.
Featuring Professor Volkmar Welker from Philipps-Universität Marburg.
This is also widely known as The Locker Problem - we liked the light switches better!
Grant Sanderson discusses a race between two types of prime numbers - and an unexpected result.
Tom discusses a series that, by one definition, has an unexpected property.
Klein bottle enthusiast Cliff Stoll shows us his unique system for sending bottles to customers.
Ben Sparks reveals the formula for optimal goal kicking...
Featuring Thomas Woolley and some squirrels...
Professor David Eisenbud talks about conics, and visits a few numbers along the way.
James Grime reveals a breakthrough in the dice world.
Featuring Dr James Grime...
Tony Várilly-Alvarado uses surprising mathematics to show that a 3x3 Magic Square of Squares is highly unlikely.
We're in Newtyle, Scotland, to celebrate the discovery of an Aperiodic Monotile.
An interview with Craig Kaplan, co-discoverer of the Aperiodic Monotile - the Holy Grail of Tiling.
Mathematicians love the game of Set - and here are some variations on the classic. Featuring Catherine Hsu.
Featuring Tony Padilla.
Professor Edward Frenkel discusses the famed Langland Program - "a kind of grand unified theory of mathematics"
Featuring James Munro.
Featuring Ellen Eischen from the University of Oregon.
Featuring Sophie Maclean.
Simon Anthony (from Cracking the Cryptic) shows us an incredible sudoku set by a mathematician.
Featuring Tom Crawford.
Mathematician and game enthusiast Marcus du Sautoy discusses the iconic game of Risk.
Featuring Tony Feng from UC Berkeley.
Ten years later... Professor Tony Padilla returns to the thorny issue of summing the integers arriving at -1/12.
Featuring Professor Holly Krieger.
Asaf Karagila discusses some of the symbols used in Logic and Set Theory.
Asaf Karagila takes us deep into the world of Infinity - from lazy eights to aleph to omega to tav.
Featuring Tony Padilla. See all three videos in this Apocalyptic Trilogy
Tom Crawford discusses Hercules and The Hydra Game.
A short preview of some stuff we're filming for the new numberphile channel. Please subscribe. You can also follow us on Twitter and Facebook.
Brady in his office. Sorry about the computer delivery! :) Join us at 4pm UK time on Feb 14 for a "Numberphile Live" with James Grime
MAIN VIDEO: https://youtu.be/O4ndIDcDSGc
Search for Numberphile on your podcast player.
These are outtakes from the main video at: https://youtu.be/__UlMppZZgs