Numberphile

  • Premiered: Nov 2011
  • Episodes: 772
  • Followers: 2
  • Running
  • YouTube
  • at 13
  • Documentary

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Season 2021
2021x1
The Drag Equation (Empire State Building v Eiffel Tower)
Episode overview
Air date
Jan 06, 2021
Tom Crawford discusses drag - then we drop the Empire State Building and Eiffel Tower into the ocean...
2021x2
Quasiperfect Numbers with Eric Lander
Episode overview
Air date
Jan 18, 2021
Eric Lander discusses how quasiperfect numbers gave him a start...
2021x3
A proof that e is irrational
Episode overview
Air date
Jan 24, 2021
Professor Ed Copeland shows a proof by Joseph "Voldemort" Fourier that e is irrational.
2021x4
Annoying Puzzles (and Cognitive Reflection Problems)
Episode overview
Air date
Jan 31, 2021
This video features Tim Harford.
2021x5
Gabriel's Horn Paradox
Episode overview
Air date
Feb 18, 2021
Featuring Tom Crawford.
2021x6
All the World's Coronavirus fits in a Coke Can
Episode overview
Air date
Mar 10, 2021
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".
2021x7
Cuneiform Numbers
Episode overview
Air date
Mar 15, 2021
Alex Bellos discusses how numbers were written in ancient Cuneiform.
2021x8
Nightingale Diagrams
Episode overview
Air date
Mar 18, 2021
Professor Mike Merrifield discusses diagrams popularized by Florence Nightingale.
2021x9
The Levine Sequence
Episode overview
Air date
Mar 31, 2021
Neil Sloane from the OEIS has another number sequence which escalates quickly.
2021x10
Eureka Sequences
Episode overview
Air date
Apr 13, 2021
OEIS founder Neil Sloane with more sequences to ponder - of course!
2021x11
The Math of Being a Pig
Episode overview
Air date
Apr 28, 2021
Featuring Ben Sparks.
2021x12
A Sequence with a Mistake
Episode overview
Air date
May 12, 2021
Sequence guru Neil Sloane on a sequence which puzzled him - until he spotted the mistake!
2021x13
Gambling with the Martingale Strategy
Episode overview
Air date
May 16, 2021
Tom Crawford discussing roulette and gambling with a famed strategy.
2021x14
Parabolas and Archimedes
Episode overview
Air date
May 23, 2021
This video features Johnny Ball.
2021x15
Planing Sequences (Le Rabot)
Episode overview
Air date
Jun 03, 2021
Featuring Neil Sloane from the OEIS - and his carpenter's plane.
2021x16
Hidden Dice Faces
Episode overview
Air date
Jun 14, 2021
Featuring Ben Sparks.
2021x17
The Volume of a Sphere
Episode overview
Air date
Jun 20, 2021
Johnny Ball discusses Archimedes and the volume of a sphere.
2021x18
Three Dice Trick
Episode overview
Air date
Jul 19, 2021
Ben Sparks with another trick - can you guess how it works before he explains it?
2021x19
Chaotic Balls (and other animations)
Episode overview
Air date
Jul 24, 2021
Matt Henderson shows us a few animations he created to depict chaos.
2021x20
A Problem with Rectangles
Episode overview
Air date
Jul 31, 2021
Featuring Tom Crawford and an Oxford Admissions Question...
2021x21
Mathematics is all about SHORTCUTS
Episode overview
Air date
Aug 08, 2021
Featuring Marcus du Sautoy from Oxford University. Check his latest book "Thinking Better: The Art of the Shortcut"
2021x22
Get Off The Earth (a famous & bamboozling problem)
Episode overview
Air date
Aug 19, 2021
Featuring Ben Sparks...
2021x23
The Lightning Algorithm
Episode overview
Air date
Aug 24, 2021
Matt Henderson is making lightning in mazes.
2021x24
Area of the Q
Episode overview
Air date
Sep 09, 2021
Johnny Ball is back talking about Hippocrates, Lunes, and a Fancy Q.
2021x25
The Strange Orbit of Earth's Second Moon (plus The Planets)
Episode overview
Air date
Sep 14, 2021
Featuring Matt Henderson...
2021x26
Stacked Dice Trick
Episode overview
Air date
Sep 22, 2021
A third dice trick with Ben Sparks
2021x27
Finite Fields & Return of The Parker Square
Episode overview
Air date
Oct 07, 2021
Matt Parker introducing Finite Fields and re-visits the infamous Parker Square...
2021x28
Trapped Water and Tiny Holes
Episode overview
Air date
Oct 14, 2021
Tom Crawford shows why water doesn't fall through a sieve with small enough holes.
2021x29
Music on a Clear Möbius Strip
Episode overview
Air date
Oct 17, 2021
The mathematical genius of JS Bach - featuring Marcus Du Sautoy.
2021x30
Key to the Tower of Hanoi
Episode overview
Air date
Oct 27, 2021
Featuring Ayliean MacDonald...
2021x31
The Doomsday Algorithm
Episode overview
Air date
Oct 31, 2021
Featuring James Grime.
2021x32
A Video about the Number 10
Episode overview
Air date
Nov 11, 2021
Featuring the friendless number 10 for our 10-year anniversary... James Grime is back where it all began.
2021x33
Infinitely Many Touching Circles
Episode overview
Air date
Nov 17, 2021
Featuring Matt Henderson.
2021x34
How to make railway timetables (with graphs)
Episode overview
Air date
Nov 21, 2021
Featuring Hannah Fry discusses Train Graphs.
2021x35
Witness Numbers (and the truthful 1,662,803)
Episode overview
Air date
Nov 28, 2021
Featuring Matt Parker
2021x36
Hitomezashi Stitch Patterns
Episode overview
Air date
Dec 06, 2021
Ayliean MacDonald discusses Hitomezashi Stitch Patterns.
2021x37
Omicron (the symbol) in Mathematics
Episode overview
Air date
Dec 09, 2021
Professor Tony Padilla discusses the Greek letter Omicron.
2021x38
The Most Wanted Prime Number
Episode overview
Air date
Dec 15, 2021
Featuring Neil Sloane.
2021x39
The Largest Small Hexagon
Episode overview
Air date
Dec 17, 2021
Featuring Dr James Grime.
2021x40
Bertrand's Paradox (with 3blue1brown)
Episode overview
Air date
Dec 20, 2021
Featuring Grant Sanderson, creator of 3blue1brown.
2021x41 Season finale
Conic Loaf of Bread
Episode overview
Air date
Dec 25, 2021
Featuring Cliff Stoll

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