Numberphile

Hello there.

This is Numberphile. We mainly post videos about mathematics and just numbers in general.

The Golden Ratio (why it is so irrational)

May 8

May 8 The Golden Ratio (why it is so irrational)

Ben Sparks, Golden Ratio

The Coin Hexagon

May 2

May 2 The Coin Hexagon

Alex Bellos, Coins

The Pentomino Puzzle (and Tetris)

May 2

May 2 The Pentomino Puzzle (and Tetris)

The Math (and money) of Soccer Stickers

Apr 26

Apr 26 The Math (and money) of Soccer Stickers

Federico Ardila, Sport

Is the "hot hand" real?

Apr 19

Apr 19 Is the "hot hand" real?

Lisa Goldberg, Sport

Neon Knots and Borromean Beer Rings

Apr 8

Apr 8 Neon Knots and Borromean Beer Rings

Cliff Stoll, Glass, Knots

Combinatorics and Higher Dimensions

Apr 5

Apr 5 Combinatorics and Higher Dimensions

Federico Ardila, Higher Dimensions

Dealing Cards with Cryptography

Mar 21

Mar 21 Dealing Cards with Cryptography

Ron Rivest, Cryptography

Mar 15

Mar 15 Number Sticks

Conway Checkers

Feb 22

Feb 22 Conway Checkers

Zvezdelina Stankova, John Conway

Round Peg in a Square Hole

Feb 21

Feb 21 Round Peg in a Square Hole

Tadashi Tokieda

Catalan Conjecture

Feb 12

Feb 12 Catalan Conjecture

Super Permutations

Jan 29

Jan 29 Super Permutations

Orchard Problems

Jan 25

Jan 25 Orchard Problems

Cannons and Sparrows

Jan 22

Jan 22 Cannons and Sparrows

Günter Ziegler

Car Crash Calculations

Jan 16

Jan 16 Car Crash Calculations

Square-Sum Problem

Jan 10

Jan 10 Square-Sum Problem

River Crossings

Jan 5

Jan 5 River Crossings

Annie Raymond, Graphs