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• 06:50

### Russian Multiplication - Numberphile

191 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

• 09:14

### EASY MULTIPLICATION STRATAGY | LATTICE MULTIPLICATION | EASY FOR KIDS

52 views / 0 likes - added

Lattice multiplication is also known as the Italian method, Chinese method, Chinese lattice, gelosia multiplication, sieve multiplication, shabakh, diagonally or Venetian squares, is a method of multiplication that uses a lattice to multiply two multi-dig

• 13:21 Popular

### Basic Multiplication | Multiplication And Division | Arithmetic | Khan Academy

734 views / 2 likes - added

Introduction to multiplication Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/multiplication-division/multiplication_fun/e/multiplication_0.5?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic Wa

• 01:46

### Multiplication / Multiplying Integers

573 views / 0 likes - added

Multiplication / Multiplying Integers. Here I look at a couple of quick examples dealing with multiplication of integers. The only things we have be really careful of is the sign we get after multiplying. Otherwise, it is the same as multiplying all posit

• 04:10

### Basic Multiplication

607 views / 0 likes - added

Learn basic multiplication! Multiplying has never been this easy! Check out my other related videos. Multiplication of large numbers - http://www.youtube.com/watch?v=KiI4eZCGTLM Basic Division - https://www.youtube.com/watch?v=biwYDuCHwXo Basic Addition -

• 04:47

### Super-Deep Bass Voices. The Power of the Russian Oktavist.

449 views / 0 likes - added

The oktavist is a type of voice used in Russian liturgical and folk music. These singers sing roughly an octave below the bass range. The point of this video, however, is not to demonstrate the sheer depth of these voices, but rather their power. Any bass

• 02:29

### Associative property for multiplication

567 views / 0 likes - added

U09_L3_T1_we2 Associative property for multiplication

• 09:50

### Multiplication of Polynomials

392 views / 0 likes - added

Multiplication of Polynomials More free lessons at: http://www.khanacademy.org/video?v=fGThIRpWEE4

• 10:28

### Inequalities Using Multiplication and Division

397 views / 0 likes - added

Inequalities Using Multiplication and Division More free lessons at: http://www.khanacademy.org/video?v=PNXozoJWsWc

• 04:53

### Examples From Understanding Scalar Multiplication Exercise

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Examples from understanding scalar multiplication exercise

• 15:00

### 'Russian Spiderman' Scales Moscow's Tallest Buildings

317 views / 0 likes - added

Moscow teenager Kirill Oreshkin scales the city’s tallest buildings, defying both gravity and convention. Read more: https://www.theatlantic.com/video/index/561977/russian-spiderman "The Hanging" is directed by Geoffrey Feinberg. It is part of The Atlanti

• 12:01

### Solving Systems of Equations by Multiplication

391 views / 0 likes - added

Solving Systems of Equations by Multiplication More free lessons at: http://www.khanacademy.org/video?v=wYrxKGt_bLg

• 10:42

### More on Matrix Addition and Scalar Multiplication

456 views / 0 likes - added

More on Matrix Addition and Scalar Multiplication More free lessons at: http://www.khanacademy.org/video?v=Z19-ObbmHJE

• 01:48

### Commutative Law of Multiplication

332 views / 0 likes - added

U01_L4_T1_we4 Commutative Law of Multiplication More free lessons at: http://www.khanacademy.org/video?v=ENKH97PYssg Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 02:16

### Associative Law of Multiplication

445 views / 0 likes - added

U01_L4_T1_we6 Associative Law of Multiplication More free lessons at: http://www.khanacademy.org/video?v=5RzDVNob0-0 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

• 14:16

### Russian Revolution and Civil War: Crash Course European History #35

281 views / 0 likes - added

World War I was very hard on the Russian Empire. So hard, in fact, that it led to the end of the Russian Empire. As the global conflict ground on, Tsar Nicholas II faced increasing unrest at home. Today we'll learn about the Revolutions of 1917, the rise

• 03:10

### DIY Hand Math Numbers Multiplication

90 views / 0 likes - added

How to do hand and finger numbers multiplication. This maths trick uses your hands to help with more complicated multiplication of single digit number times tables. For more complex multiplications, use this technique:https://www.youtube.com/watch?v=VJf8X

• 06:49

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

381 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

• 09:53

### The Curse Of Lane 8 - Numberphile

358 views / 0 likes - added

Professor Richard Tapia (Rice University) on how his son's BMX adventures led to some interesting mathematics. Also thanks to Bristol BMX Club. NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile N

• 09:03

### The Shortest Ever Papers - Numberphile

326 views / 0 likes - added

Audible 30-day free trial: http://www.audible.com/numberphile (sponsor) Tony Padilla discusses some of the shortest math papers to be published. From Conway to Nash. NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.face

• 05:10

### Berezka Russian Gliding Floating Dance

279 views / 0 likes - added

Watch these amazing dancers from Russia look like they are gliding! "". Ensemble "Berezka" " ": https://goo.gl/qw3iEK "#" : "". . . . The new year's perfomance of russian #dance ensemble "Berezka" #berezkaensemble #berezka #russia #folkdance # # # # # : F

• 12:19

### Lattice Multiplication

33 views / 0 likes - added

This math video tutorial provides a basic introduction into lattice multiplication - another way of multiplying two numbers! Subscribe: https://www.youtube.com/channel/UCEWpbFLzoYGPfuWUMFPSaoA?sub_confirmation=1 Access to Premium Videos: https://www.patre

• 09:31

### Fold And Cut Theorem - Numberphile

452 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:

• 10:38

### The Mathematics Of Crime And Terrorism - Numberphile

369 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

• 05:56

### A Strange Change of Rotation - Numberphile

350 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

• 13:20

### Shuffling Card Trick - Numberphile

482 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

• 04:22

### 74 Is Cracked - Numberphile

344 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

• 07:20

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

331 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

• 07:56

### Pi And The Mandelbrot Set - Numberphile

385 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

• 06:49

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

186 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

• 02:09

### Cute Paper Trick - Numberphile

469 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

• 07:14

### How To Win A Guessing Game - Numberphile

648 views / 0 likes - added

A clever use of random numbers to improve your odds in a number guessing game. Alex Bellos Books: http://bit.ly/BellosBooks Monty Hall problem: http://bit.ly/MontyHallProb NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://ww

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• 06:39

### Unexpected Shapes (Part 2) - Numberphile

324 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

• 09:31

### Fold and Cut Theorem - Numberphile

323 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. More links & stuff in full description below ↓↓↓ Katie: http://www.katiesteckles.co.uk More

• 09:11

### The Shape Of DNA - Numberphile

369 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:

• 12:56

### Monkeys And Coconuts - Numberphile

510 views / 0 likes - added

An old problem which baffled many people. Featuring Dr Tony Padilla. Editing and animation in this film by Pete McPartlan - https://twitter.com/petemcpartlan NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com

• 05:04 Popular

### BERIOZKA - Russian dance performers appear to be floating across the stage.

1,804 views / 1 likes - added

BERIOZKA - A traditional Russian dance where the performers appear to be floating across the stage. The women actually have to stand on their tip toes the entire time to maintain the floating illusion. Théâtre du Léman, Genève,

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• 10:22

### How To Draw A Russian Nesting Doll

390 views / 0 likes - added

Today we're learning how to draw a Russian nesting doll. EMAIL A PHOTO OF YOUR ART: myart@artforkidshub.com MAIL US YOUR ART: Art for Kids Hub P.O. Box 927 Pleasant Grove, UT 84062 To purchase an Art For Kids Hub t-shirt https://artforkidshub.threadless.c

• 14:42

### The Seven Bridges of Königsberg - Numberphile

301 views / 0 likes - added

Audible 30-day free trial: http://www.audible.com/numberphile (sponsor) This video features Cliff Stoll... and the work of Leonhard Euler. More Cliff videos: http://bit.ly/Cliff_Videos Cliff's Klein Bottles: http://bit.ly/ACME_Klein NUMBERPHILE Website: h

• 09:04

### Shapes And Hook Numbers - Numberphile

354 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

• 10:09

### Base Neutral Multiplication

128 views / 0 likes - added

Math enthusiast Baron Hansz has described an terrific way to perform long multiplication in any base you like -- even fractional ones -- with absolute ease! He brilliantly combines the area model with Exploding Dots thinking. This video bounces of his vid

• 09:44

### The Last Digit Of Prime Numbers - Numberphile

495 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

• 05:43

### How to order 43 Chicken McNuggets - Numberphile

322 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

• 07:04

### The 8 Queen Problem - Numberphile

344 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:

• 06:10

### How DNA Unties Its Own Knots - Numberphile

340 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

• 04:19

### Lace Knot Trick - Numberphile

236 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

• 09:28

### The Heart Of Fermat's Last Theorem - Numberphile

429 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

• 07:36

### Unexpected Shapes (Part 1) - Numberphile

373 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

• 02:41

### Borromean Ribbons - Numberphile

320 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

• 03:41

### Money Catching - Numberphile

313 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

• 06:11

### Powers Of 2 - Numberphile

334 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

• 07:46

### Let's Talk About Sets - Numberphile

313 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

• 13:40

### The Amazing Heptadecagon (17-gon) - Numberphile

530 views / 0 likes - added

More on the math behind this: http://youtu.be/oYlB5lUGlbw Professor David Eisenbud - director of MSRI - on the amazing 17-gon and its link to Gauss. See end of this video for a bit MSRI's address at 17 Gauss Way! NUMBERPHILE Website: http://www.numberphil

• 08:17

### Little Fibs - Numberphile

331 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

• 08:38

### Are You REALLY Sick? (false Positives) - Numberphile

434 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

• 07:52

### UNCRACKABLE? The Collatz Conjecture - Numberphile

315 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

• 16:51

### Euclid's Big Problem - Numberphile

634 views / 0 likes - added

Trisecting angles and calculating cube roots was a big problem for Euclid and his cohorts. Discussed by Zsuzsanna Dancso at MSRI. TRISECT WITH ORIGAMI: http://youtu.be/SL2lYcggGpc CIRCLE THE SQUARE: http://youtu.be/CMP9a2J4Bqw NUMBERPHILE Website: http://

• 10:03

### The mystery of 0.577 - Numberphile

420 views / 0 likes - added

The harmonic series and the elusive Euler–Mascheroni constant. Featuring Dr Tony Padilla. Audible: http://www.audible.com/numberphile (check out Just Six Numbers) Extra footage: https://youtu.be/eRGN8ThZfhU Videos about -1/12: http://bit.ly/minus_twelfth

• 03:15

### Super-fast Way To Tie Shoelaces - Numberphile

374 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

• 03:14

### Rock Paper LIZARDS - Numberphile

556 views / 1 likes - added

Hannah Fry on parallels between the game "rock paper scissors" and lizards in nature. PART ONE: http://youtu.be/rudzYPHuewc EXTRA FOOTAGE: http://youtu.be/ygHwBxWyI6E Lizards by Pete McPartlan NUMBERPHILE Website: http://www.numberphile.com/ Numberphile o

• 12:38

### The Key To The Riemann Hypothesis - Numberphile

329 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

• 14:02

### Attempting Russian Piping Tips!

218 views / 1 likes - added

I tried Russian Piping Tips for the very first time! SUBSCRIBE ► https://www.youtube.com/subscription_center?add_user=rosannapansino WATCH MY PREVIOUS VIDEO ► https://www.youtube.com/watch?v=fMRuX0Ep0wo ----------------------------------------------------

• 06:34

### The Most Powerful Dice - Numberphile

281 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

• 13:54

### Kakeya's Needle Problem - Numberphile

473 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

• 09:45

### How To Always Win At Dots And Boxes - Numberphile

481 views / 0 likes - added

Create your site on Squarespace: http://www.squarespace.com/numberphile This video features 'games legend' Elwyn Berlekamp. Elwyn's book on Dots and Boxes: http://bit.ly/DotsBoxesBook Elwyn's Winning Ways on Amazon: http://amzn.to/1BIA6UB Extra footage ab

• 07:45

### Why 82,000 Is An Extraordinary Number - Numberphile

340 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://

• 10:52

### What Is A Knot? - Numberphile

330 views / 0 likes - added

First in a series of videos about knots. Here we have Carlo H. Séquin from UC Berkeley. More videos to come at: http://bit.ly/Knot-a-Phile Edit and animation by Pete McPartlan. Film and interview by Brady Haran With thanks to Rob Scharein for the use of h

• 15:05

### The Opposite Of Infinity - Numberphile

397 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

• 10:00

### Triangles Have A Magic Highway - Numberphile

402 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

• 01:54

### 1 To 200 On Google Image Search - Numberphile

560 views / 0 likes - added

Results of Google Image Searches for the numbers 1 to 200 (written as numerals). Music by Alan Stewart. Website: http://www.numberphile.com/ Discuss on Reddit: http://redd.it/2zozor Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile

• 15:13

### Numbers And Free Will - Numberphile

388 views / 0 likes - added

Artificial Intelligence gets Edward Frenkel thinking about vectors and numbers --- and the nature of human existence!? Extra interview footage: http://youtu.be/HctVeOR1tmU More Numberphile videos with Prof Frenkel: http://bit.ly/Frenkel_Playlist Prof Fren

• 02:22

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

332 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

• 08:39

### Frog Jumping - Numberphile

340 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

• 13:58

### The Josephus Problem - Numberphile

375 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

• 04:54

### The problem in Good Will Hunting - Numberphile

260 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

• 03:15

### Should You Catch A Tossed Coin? - Numberphile

529 views / 0 likes - added

Randomness expert (and former magician) Persi Diaconis on whether it is best to catch a coin or let it fall to the ground. Main video: http://youtu.be/AYnJv68T3MM Extra footage: http://youtu.be/9RKKoXw7wJw Superbowl coin tosses: http://youtu.be/bFfSfzjhfC

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• 07:11

### The Infinitesimal Monad - Numberphile

364 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

• 08:11

### Too Many Triangles - Numberphile

375 views / 0 likes - added

How many triangles are too many? Featuring Henry Segerman from Oklahoma State University. Check Henry's book about 3D printing math: http://amzn.to/2cWhY3R More Henry videos: http://bit.ly/Segerman_Videos Henry's hinged doilies were joint work with Geoffr

• 11:00

### The Problems with Secret Santa - Numberphile

420 views / 0 likes - added

Dr Hannah Fry discusses Secret Santa, anonymity and derangements. And a better way to do it. More Hannah on Numberphile: http://bit.ly/hannah_vids Hannah's co-written Xmas book: http://amzn.to/2g8mIn6 Hannah's love/math book: http://bit.ly/frylovebook Num

• 07:42

### The Useless Number - Numberphile

428 views / 0 likes - added

One of the first people to stumble over imaginary numbers (namely the square root of -15) thought it was "subtle" and "useless". Featuring Barry Mazur. Extra footage from this interview: http://youtu.be/i4GCd2xOCDg Barry's book on this topic: http://bit.l

• 10:26

### Skewes' Massive Number - Numberphile

347 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

• 08:25

### Klein Bottles - Numberphile

415 views / 0 likes - added

Cliff Stoll is passionate about Klein Bottles. Don't miss the video about how he uses a robot to store 1,000 bottles UNDER his house... https://youtu.be/-k3mVnRlQLU More videos on Klein Bottles: http://bit.ly/KleinBottles ACME Klein Bottles: http://bit.ly

• 12:33

### Pascal's Triangle - Numberphile

415 views / 0 likes - added

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. Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): htt

• 18:39

### Billionaire Mathematician - Numberphile

484 views / 0 likes - added

Full length version of this interview (one hour): https://youtu.be/QNznD9hMEh0 More about The Simons Foundation: http://bit.ly/SimonsFoundation James Harris Simons has been described as "the world's smartest billionaire", amassing a fortune through the cl

• 18:39

### Billionaire Mathematician - Numberphile

157 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 "

• 11:34

### That Viral Math Problem (Cheryl's Birthday) - Numberphile

529 views / 0 likes - added

Simon Pampena gives his take on THAT viral math problem from Singapore. EXTRA FOOTAGE for this video: http://youtu.be/Mj-YngjjpJg Simon on Twitter: https://twitter.com/mathemaniac NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: h

• 04:00

### Sesame Street: Charlie's Russian Restaurant with Grover

409 views / 1 likes - added

Grover is the new waiter at Charlie's Russian Restaurant, where the singing and dancing is included with the meal. The customer is hungry but he has to endure Grover's song and dance moves before he gets his food. Will the customer ever be able to see if

• 02:41

### Paper Calculator - Numberphile

309 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:

• 04:51

### Three Gears Are Possible - Numberphile

312 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

• 07:31

### Cutting A Klein Bottle In Half - Numberphile

446 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

• 08:39

### The IPhone Of Slide Rules - Numberphile

433 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

• 04:05

### Subtracting Paperclips - Numberphile

282 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

• 04:56

### How Pi was nearly changed to 3.2 - Numberphile

276 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 -

• 06:56

### Prime Knots - Numberphile

492 views / 0 likes - added

They are knot what you think! Primes, Composites and the usefulness of knots.... Second in a series of videos about knots. Here we again speak with Carlo H. Séquin from UC Berkeley. More videos to come at: http://bit.ly/Knot-a-Phile Edit and animation by

• 05:22

### More Hyperbolic Sports - Numberphile

324 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

• 17:09

### Perplexing Paperclips - Numberphile

266 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

• 05:09

### 13532385396179 - Numberphile

414 views / 0 likes - added

A number which could earn its "finder" a \$1000 prize. More links & stuff in full description below ↓↓↓ John Conway videos: http://bit.ly/ConwayNumberphile Read more at: http://gladhoboexpress.blogspot.co.uk/2017/06/whats-so-special-about-13532385396179.ht

• 11:52

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

644 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

• 03:32

### Russian Tutor Prank | I PRANKED MY PARENTS

296 views / 0 likes - added

Watch what happens when these kids convince their mom they hired a live-in Russian tutor. → Credits ← Executive Producer Judy Meyers Produced by Carley Adams Directed by Brett Spackman Camera/Tech Monsoon Entertainment Casting & Editing Carley Adams & Bre

• 05:48

### Winning At Rock Paper Scissors - Numberphile

634 views / 0 likes - added

Squarespace: http://www.squarespace.com/numberphile This video features Hannah Fry - https://twitter.com/fryrsquared More on this topic (and lizards): http://youtu.be/Z8lv2vy5vco And even more on this topic: http://youtu.be/ygHwBxWyI6E The paper: http://b

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• 03:59

### Catching Kendama - Numberphile

336 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

• 16:41

### Super Bottle - Numberphile

298 views / 0 likes - added

Professor Carlo Séquin explains super bottles - and a super duper bottle. More Klein Bottle videos: http://bit.ly/KleinBottles More Carlo videos: http://bit.ly/carlo_videos Carlo Séquin is based at the University of California, Berkeley. NUMBERPHILE Websi

• 05:44

### Crank Files - Numberphile

338 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

• 08:50

### The Electric Slide Rule - Numberphile

391 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

• 22:11

### g-conjecture - Numberphile

248 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

• 06:40

### Number Sticks - Numberphile

252 views / 0 likes - added

Katie Steckles dazzles us with Mental Logs. Have a look at Brilliant (and get 20% off) here: https://brilliant.org/Numberphile More links & stuff in full description below ↓↓↓ More Katie on Numberphile: http://bit.ly/Steckles_Playlist Katie Steckles: http

• 05:43

### Möbius Knots And Roller Coasters - Numberphile

361 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

• 08:25

### Calculating a Car Crash - Numberphile

288 views / 0 likes - added

Check out https://brilliant.org/numberphile (20% off premium subscription) This video features Ben Sparks. More links below ↓↓↓ Ben Sparks website: https://www.bensparks.co.uk More of Ben on Numberphile: https://youtu.be/ETrYE4MdoLQ https://youtu.be/kbKtF

• 14:18

### The Four Color Map Theorem - Numberphile

413 views / 0 likes - added

This video supported by Squarespace: https://www.squarespace.com/numberphile The Four Color Map Theorem (or colour!?) was a long-standing problem until it was cracked in 1976 using a "new" method... computers! A little bit of extra footage from this: http

• 05:35

### Secrets to measuring a piece of paper - Numberphile

267 views / 0 likes - added

When Cliff Stoll sets your homework, there's always an extra lesson. More links & stuff in full description below ↓↓↓ More Cliff videos: http://bit.ly/Cliff_Videos Cliff's Klein Bottles: http://www.kleinbottle.com Numberphile is supported by the Mathemati

• 06:25

### Weird But Fair Dice (plus The D120) - Numberphile

292 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

• 09:09

### The Illumination Problem - Numberphile

382 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

• 14:22

### Funny Fractions And Ford Circles - Numberphile

456 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

• 05:35

### Balls and Cones - Numberphile

384 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

• 04:29

### Langton's Ant - Numberphile

362 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

• 18:55

### 4.669 - Numberphile

272 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

• 03:38

### A Quick Cake Conundrum - Numberphile

387 views / 0 likes - added

A quick little problem from Cliff Stoll, who baked a birthday cake for Brady... More links & stuff in full description below ↓↓↓ See more Cliff videos: http://bit.ly/Cliff_Videos The scientific way to cut a cake... https://youtu.be/wBU9N35ZHIw Numberphile

• 09:11

### Mathematics: Beauty vs Utility - Numberphile

290 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

• 03:40

### Elliptical Pool Table - Numberphile

369 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)

• 09:41

### Philosophy Of Numbers - Numberphile

393 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

• 08:45

### The Legend of Question Six - Numberphile

233 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

• 10:57

### The World's Best Mathematician - Numberphile

400 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:

• 14:27

### Braids in Higher Dimensions - Numberphile

245 views / 0 likes - added

Braids and the fourth dimension, with Dr Zsuzsanna Dancso. More links & stuff in full description below ↓↓↓ More videos with Dr Zsuzsanna Dancso: http://bit.ly/dancso_playlist Extra bit from this interview: https://youtu.be/z39k3qMnSRM Animation by Pete M

• 26:19

### Perfect Shapes In Higher Dimensions - Numberphile

410 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 -

• 08:12

### Fair Dice (Part 2) - Numberphile

303 views / 0 likes - added

Probability expert Professor Persi Diaconis (Stanford University) talking about dice. Part 1: https://youtu.be/G7zT9MljJ3Y More dice videos: http://bit.ly/Dice_Videos More Persi Diaconi videos: http://bit.ly/Persi_Videos Diaconis/Keller paper on fair dice

• 11:13

### Last Cards Match - Numberphile

350 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

• 09:40

### RSA-129 - Numberphile

297 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

• 04:36

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

423 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

• 09:31

### Infinite Series - Numberphile

218 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

• 08:06

### Consecutive Coin Flips - Numberphile

413 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

• 13:32

### Glitch Primes And Cyclops Numbers - Numberphile

362 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

• 24:59

### Juggling by Numbers - Numberphile

364 views / 0 likes - added

Juggling with Colin Wright. More links & stuff in full description below ↓↓↓ Colin Wright on Twitter: https://twitter.com/colinthemathmo Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are

• 05:53

### A Game For The Elliptical Pool Table - Numberphile

359 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 (

• 14:03

### Tree Gaps and Orchard Problems - Numberphile

230 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

• 13:29

### Numbers With Meaning - Numberphile

437 views / 0 likes - added

Thanks to: http://www.audible.com/numberphile This video features Dr Sarah Wiseman from UCL on numbers that are familiar - and things that can go wrong in our brains. Editing and animation in this video by Pete McPartlan. Books available on Audible by Num

• 05:54

### Ham Sandwich Problem - Numberphile

271 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

• 23:22

### Hunt For The Elusive 4th Klein Bottle - Numberphile

307 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:/

• 06:28

### Imagining Numbers as Shapes - Numberphile

470 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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• 10:12

### 21-card trick - Numberphile

444 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

• 10:54

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

360 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

• 03:58

### Magic Square Party Trick - Numberphile

470 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.

• 09:03

### Weber's Law - Numberphile

265 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

• 16:21

### The Silver Ratio - Numberphile

228 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

• 14:18

### The Ideal Auction - Numberphile

290 views / 0 likes - added

Preston McAfee is the chief economist at Microsoft. More links & stuff in full description below ↓↓↓ Benford's Law: https://youtu.be/XXjlR2OK1kM Preston McAfee: http://www.mcafee.cc Animation by Pete McPartlan Numberphile is supported by the Mathematical

• 03:32

### When do clock hands overlap? - Numberphile

272 views / 0 likes - added

How often do a clock's minute and hour hands cross? Featuring Cliff Stoll..... See Objectivity at: https://www.youtube.com/c/ObjectivityVideos More links & stuff in full description below ↓↓↓ More Cliff videos: http://bit.ly/Cliff_Videos Cliff Stoll's Kle

• 27:31

### Divisibility Tricks - Numberphile

278 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

• 09:59

### Goldbach Conjecture - Numberphile

437 views / 0 likes - added

Professor David Eisenbud on the famed Goldbach Conjecture. More links & stuff in full description below ↓↓↓ Extra footage from this interview: https://youtu.be/7D-YKPMWULA Prime Playlist: http://bit.ly/primevids Prime Number Theorem: https://youtu.be/l8ez

• 13:14

### Fair Dice (Part 1) - Numberphile

435 views / 0 likes - added

Probability expert Professor Persi Diaconis (Stanford University) talking about dice. Part 2: https://youtu.be/8UUPlImm0dM Tadashi and Dice: https://youtu.be/zzKGnuvX6IQ More dice videos: http://bit.ly/Dice_Videos More Persi Diaconi videos: http://bit.ly/

• 10:56

### Kissing Numbers - Numberphile

230 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

• 13:00

### Problems with Zero - Numberphile

381 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

• 04:54

### The Parker Square - Numberphile

467 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.

• 05:49

### Incredible Formula - Numberphile

271 views / 0 likes - added

Dr James Grime discusses a couple of clever formulas which are pandigital - using all the numbers from 1-9. More on pandigital numbers: https://youtu.be/gaVMrqzb91w More on e: https://youtu.be/AuA2EAgAegE More James Grime videos: http://bit.ly/grimevideos

• 13:53

### Math vs Physics - Numberphile

351 views / 0 likes - added

Robbert Dijkgraaf is a mathematical physicist. Extra footage from this interview: https://youtu.be/FpkvNJCVEUA More links & stuff in full description below ↓↓↓ Robbert Dijkgraaf website: http://www.robbertdijkgraaf.com Physics videos by Brady (who makes N

• 10:38

### Every Number is the Sum of Three Palindromes - Numberphile

247 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

• 12:11

### The Best Way to Pack Spheres - 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 Strange Spheres in Higher Dimen

• 09:08

### Aaron Numbers - Numberphile

318 views / 0 likes - added

A story of baseball, number theory, and serendipity. More links & stuff in full description below ↓↓↓ Featuring Carl Pomerance from the Department of Mathematics at Dartmouth College. Images from Erdös/Aaron meeting courtesy of Rob & Madelyn Gould - http:

• 09:18

### The Centrifuge Problem - Numberphile

344 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

• 09:20

### An astonishing old calculator - Numberphile

285 views / 1 likes - added

Cliff explains his passion for two Friden EC-132s. Extra discussion and explanation at: LINK More links & stuff in full description below ↓↓↓ More Cliff videos: http://bit.ly/Cliff_Videos Calculator Unboxings: http://bit.ly/CalcUnbox Millionaire Machine:

• 03:44

### Something Special About 399 (and 2015) - Numberphile

448 views / 0 likes - added

It is the lowest Lucas-Carmichael Number... Featuring Ed Copeland. More about Ed's real work: http://bit.ly/CopelandGoesLong With thanks to these Patreon supporters: Herschal Sanders (from Susan) Today I Found Out Lê OK Merli Alex Bozzi Thomas J Petersen

• 08:40

### 78557 and Proth Primes - Numberphile

261 views / 0 likes - added

James Grime is back and talking prime numbers. Check out Brilliant.org by using the link: https://brilliant.org/numberphile (20% off premium subscription) More on prime numbers: http://bit.ly/primevids James Grime: http://singingbanana.com Editing by Pete

• 06:23

### The Neverending Story (and Droste Effect) - Numberphile

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Cliff wants to tell a story on a Möbius strip... And discusses recursive hot chocolate!? More links & stuff in full description below ↓↓↓ More Cliff Stoll videos: http://bit.ly/Cliff_Videos Extra bit from this interview: https://youtu.be/RbCL4-98bIA Drost

• 07:47

### 383 is cool - Numberphile

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Squarespace (10% off): http://squarespace.com/numberphile Matt Parker on 383 and Woodall Primes. More links below. PrimeGrid: http://www.primegrid.com Centenary of Woodall Primes T-Shirt, Hoodie, and Mug: US customers - https://teespring.com/woodall-prime

• 16:26

### Earthquakes, Circles and Spheres - Numberphile

309 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:

• 03:24

### Round Peg in a Square Hole - Numberphile

379 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

• 02:13

### Spider-Man (Cédric Villani) - Numberphile

310 views / 0 likes - added

Fields Medallist and math "celebrity" Cédric Villani is famous for wearing ornate spiders on his lapel. More Villani videos: http://bit.ly/Villani_Videos Cédric Villani website: http://cedricvillani.org His book Birth of a Theorem (Amazon): http://bit.ly/

• 07:42

### The Remarkable Way We Eat Pizza - Numberphile

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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

• 24:10

### Sandpiles - Numberphile

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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

• 09:00

### The Enormous TREE(3) - Numberphile

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Professor Tony Padilla on the epic number, TREE(3). Continues at: https://youtu.be/IihcNa9YAPk More links & stuff in full description below ↓↓↓ Graham's Number: http://bit.ly/G_Number Numberphile is supported by the Mathematical Sciences Research Institut

• 14:27

### All the Numbers - Numberphile

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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

• 06:35

### 210 is VERY Goldbachy - Numberphile

378 views / 0 likes - added

Carl Pomerance discusses 210 and its special relationship with Goldbach's Conjecture. More links & stuff in full description below ↓↓↓ Goldbach's Conjecture: https://youtu.be/MxiTG96QOxw The paper discussed in this video: https://math.dartmouth.edu/~carlp

• 08:06

### Catalan's Conjecture - Numberphile

310 views / 0 likes - added

With Dr Holly Krieger from Murray Edwards College, University of Cambridge. Have a look at Brilliant (and get 20% off) here: https://brilliant.org/Numberphile More links & stuff in full description below ↓↓↓ More Numberphile videos with Dr Krieger: http:/

• 08:55

### Pancake Numbers - Numberphile

333 views / 0 likes - added

Katie Steckles on Pancake Numbers.. Signup for your FREE trial to The Great Courses Plus here: http://ow.ly/EJwH30fiZ1d More links & stuff in full description below ↓↓↓ More Numberphile videos with Katie: http://bit.ly/Steckles_Playlist Katie Steckles web

• 12:53

### Strange Spinning Tubes - Numberphile

433 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 (

• 12:25

### Fantastic Quaternions - Numberphile

289 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

• 11:25

### Dealing Cards with Cryptography (with Ron Rivest) - Numberphile

458 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

Featured
• 38:28

### A Miraculous Proof (Ptolemy's Theorem) - Numberphile

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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

• 07:43

### How To Trisect An Angle With Origami - Numberphile

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Zsuzsanna Dancso trisects an angle using origami - follows on from this video about Euclidean geometry: http://youtu.be/6Lm9EHhbJAY Special thanks to the Patreon supporters listed below: Herschal Sanders (from Susan) Lê OK Merli Alex Bozzi Thomas J

• 11:14

### Colouring Numbers - Numberphile

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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:

• 12:32

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

396 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

• 09:27

### Large Gaps between Primes - Numberphile

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James Maynard on discoveries about large gaps between prime numbers. More links & stuff in full description below ↓↓↓ More Maynard videos: http://bit.ly/JamesMaynard Prime Playlist: http://bit.ly/primevids The 20 August paper: https://arxiv.org/abs/1408.4

• 03:40

### A Nice Square - Numberphile

384 views / 0 likes - added

Extra footage from our Squared Squares video: https://youtu.be/NoRjwZomUK0 More links & stuff in full description below ↓↓↓ Check out http://www.squaring.net for loads of great info. Nice Square merchandise US: https://teespring.com/nice-square-us EU: htt

• 08:25

### A Fascinating Thing about Fractions - Numberphile

168 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

• 13:48

### Squaring Primes - Numberphile

210 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

• 10:00

### Fibonacci Numbers hidden in the Mandelbrot Set - Numberphile

322 views / 1 likes - added

With Dr Holly Krieger from Murray Edwards College, University of Cambridge. Have a look at Brilliant (and get 20% off) here: https://brilliant.org/Numberphile More Numberphile videos with Dr Krieger: http://bit.ly/HollyKrieger Her Twitter: https://twitter

• 08:33

### Derangements - Numberphile

295 views / 0 likes - added

Derangements featuring Dr James Grime. More links & stuff in full description below ↓↓↓ Extra footage from this interview: https://youtu.be/qYAWjIVY7Zw More Dr Grime on Numberphile: http://bit.ly/grimevideos e video: https://youtu.be/AuA2EAgAegE Special t

• 08:45

### Conway Checkers - Numberphile

369 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

• 08:57

### Neon Knots and Borromean Beer Rings - Numberphile

308 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-

• 16:12

### River Crossings (and Alcuin Numbers) - Numberphile

353 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:/

• 10:33

### Strange Spheres in Higher Dimensions - Numberphile

240 views / 0 likes - added

Squarespace (including 10% off): https://www.squarespace.com/numberphile Video features Matt Parker. More links & stuff in full description below ↓↓↓ Parker CIRCLE T-Shirts and Mugs (torment Matt at his live shows!): https://teespring.com/stores/parker-ci

• 11:45

### Partitions - Numberphile

264 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

• 03:49

### The Trinity Hall Prime - Numberphile

223 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

• 09:06

### Superpermutations - Numberphile

371 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

• 11:13

### Coffee Cup Vibrations - Numberphile

387 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

• 05:43

### The Most Evil Number - Numberphile

313 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

• 21:05

### How do brains count? - Numberphile

43 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

• 11:22

### The Problem with 7825 - Numberphile

212 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

• 17:42

### Twin Prime Conjecture - Numberphile

320 views / 0 likes - added

Dr James Maynard is a leading figure in recent progress on the Twin Prime Conjecture. More links and stuff below ↓↓↓ More Twin Primes from Numberphile: https://youtu.be/vkMXdShDdtY and https://youtu.be/D4_sNKoO-RA Prime Number Playlist: http://bit.ly/prim

• 05:02

### The Kolakoski Sequence - Numberphile

368 views / 0 likes - added

Thanks Squarespace: https://www.squarespace.com/numberphile More links & stuff in full description below ↓↓↓ Full length colouring video: https://youtu.be/a-6oOVdU7Oo Alex Bellos books (including colouring books): http://bit.ly/BellosBooks Colouring by Ti

• 15:13

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

223 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

• 10:05

### The Slightly Spooky Recamán Sequence - Numberphile

323 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

• 09:22

### The Best (and Worst) Ways To Shuffle Cards - Numberphile

581 views / 0 likes - added

Persi Diaconis (Stanford University) on card shuffling. See full description for links to additional videos and detailed papers. EXTRAS FROM THIS INTERVIEW --- 1/3: https://youtu.be/1jfm42Qd7Qw --- 2/3: http://youtu.be/c_Hunaf0tWw --- 3/3: http://youtu.be

• 16:38

### Superhero Triangles - Numberphile

160 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

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