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Numberphile

Season 2015 2015

  • 2015-01-06T18:00:00Z on YouTube
  • 10m
  • 12h 10m (73 episodes)
  • United States
  • English
  • Documentary
Videos about numbers - it's that simple. Videos by Brady Haran

73 episodes

Season Premiere

2015-01-06T18:00:00Z

2015x01 Perfect Numbers and Mersenne Primes

Season Premiere

2015x01 Perfect Numbers and Mersenne Primes

  • 2015-01-06T18:00:00Z10m

2015-01-06T18:00:00Z

2015x02 Perfect Number Proof

2015x02 Perfect Number Proof

  • 2015-01-06T18:00:00Z10m

This video features 'games legend' Elwyn Berlekamp.

It is the lowest Lucas-Carmichael Number... Featuring Ed Copeland.

2015-01-26T18:00:00Z

2015x07 Rock Paper LIZARDS

2015x07 Rock Paper LIZARDS

  • 2015-01-26T18:00:00Z10m

Hannah Fry on parallels between the game "rock paper scissors" and lizards in nature.

2015x08 How random is a coin toss?

  • 2015-01-30T18:00:00Z10m

Randomness, coins and dental floss!

2015x09 Should you catch a tossed coin?

  • 2015-02-01T18:00:00Z10m

Randomness expert (and former magician) Persi Diaconis on whether it is best to catch a coin or let it fall to the ground.

2015-02-06T18:00:00Z

2015x10 Super Egg

2015x10 Super Egg

  • 2015-02-06T18:00:00Z10m

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.

2015x19 Looking at Perfect Shuffles

  • 2015-03-25T17:00:00Z10m

2015x20 52-Card Perfect Shuffles

  • 2015-03-27T17:00:00Z10m

2015x21 The Relationship Equation

  • 2015-04-03T17:00:00Z10m

2015x22 Ditching the Fifth Axiom

  • 2015-04-10T17:00:00Z10m

2015x23 The 'Everything' Formula

  • 2015-04-15T17:00:00Z10m

2015-04-29T17:00:00Z

2015x25 Monkeys and Coconuts

2015x25 Monkeys and Coconuts

  • 2015-04-29T17:00:00Z10m

2015x26 Telescope Time without Tears

  • 2015-05-07T17:00:00Z10m

2015x27 Billionaire Mathematician

  • 2015-05-13T17:00:00Z10m

2015x29 How to Win a Guessing Game

  • 2015-05-21T17:00:00Z10m

A clever use of random numbers to improve your odds in a number guessing game.

2015-05-26T17:00:00Z

2015x30 More Hyperbolic Sports

2015x30 More Hyperbolic Sports

  • 2015-05-26T17:00:00Z10m

2015-06-05T17:00:00Z

2015x32 Numbers with Meaning

2015x32 Numbers with Meaning

  • 2015-06-05T17:00:00Z10m

2015-06-22T17:00:00Z

2015x35 Klein Bottles

2015x35 Klein Bottles

  • 2015-06-22T17:00:00Z10m

2015x41 A Mysterious Math Doodle

  • 2015-07-10T17:00:00Z10m

2015-07-16T17:00:00Z

2015x42 Elliptical Pool Table

2015x42 Elliptical Pool Table

  • 2015-07-16T17:00:00Z10m

2015-08-03T17:00:00Z

2015x46 What is a Knot?

2015x46 What is a Knot?

  • 2015-08-03T17:00:00Z10m

2015-08-06T17:00:00Z

2015x47 The Curse of Lane 8

2015x47 The Curse of Lane 8

  • 2015-08-06T17:00:00Z10m

2015-08-10T17:00:00Z

2015x48 Prime Knots

2015x48 Prime Knots

  • 2015-08-10T17:00:00Z10m

2015-08-21T17:00:00Z

2015x50 The 8 Queen Problem

2015x50 The 8 Queen Problem

  • 2015-08-21T17:00:00Z10m

2015x51 What's special about 196?

  • 2015-08-28T17:00:00Z10m

Dr James Grime delves into the largely unresolved world of Lychrel Numbers?

2015-08-31T17:00:00Z

2015x52 Numbers and Free Will

2015x52 Numbers and Free Will

  • 2015-08-31T17:00:00Z10m

2015x53 The Infinitesimal Monad

  • 2015-09-04T17:00:00Z10m

2015x54 The Opposite of Infinity

  • 2015-09-08T17:00:00Z10m

Continuing to talk Infinitesimals, this time with Dr James Grime.

2015-09-14T17:00:00Z

2015x55 Langton's Ant

2015x55 Langton's Ant

  • 2015-09-14T17:00:00Z10m

2015-09-18T17:00:00Z

2015x56 Philosophy of Numbers

2015x56 Philosophy of Numbers

  • 2015-09-18T17:00:00Z10m

2015-09-25T17:00:00Z

2015x57 Fold and Cut Theorem

2015x57 Fold and Cut Theorem

  • 2015-09-25T17:00:00Z10m

2015x58 Pi and the Mandelbrot Set

  • 2015-10-01T17:00:00Z10m

2015-10-05T17:00:00Z

2015x59 Powers of 2

2015x59 Powers of 2

  • 2015-10-05T17:00:00Z10m

2015x60 Kakeya's Needle Problem

  • 2015-10-15T17:00:00Z10m

2015-10-23T17:00:00Z

2015x61 Skewes' Massive Number

2015x61 Skewes' Massive Number

  • 2015-10-23T17:00:00Z10m

2015-10-26T17:00:00Z

2015x62 The Shape of DNA

2015x62 The Shape of DNA

  • 2015-10-26T17:00:00Z10m

2015x63 How DNA unties its own knots

  • 2015-11-02T18:00:00Z10m

2015x66 Unexpected Shapes (Part 1)

  • 2015-11-18T18:00:00Z10m

2015x67 Unexpected Shapes (Part 2)

  • 2015-11-19T18:00:00Z10m

2015-11-21T18:00:00Z

2015x68 Cute Paper Trick

2015x68 Cute Paper Trick

  • 2015-11-21T18:00:00Z10m

2015x69 Tic-Tac-Toe (With Only X's)

  • 2015-11-26T18:00:00Z10m

Simon Pampena on Glitch Primes and Binary Cyclops Numbers.

2015-12-23T18:00:00Z

2015x72 Freaky Dot Patterns

2015x72 Freaky Dot Patterns

  • 2015-12-23T18:00:00Z10m
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