Numberphile

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  • 13
  • Documentary

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2013
2013x1
158,962,555,217,826,360,000
Episode overview
The Nazi's Enigma Machine - and the mathematics behind it - was a crucial part of World War II.
2013x2
Flaw in the Enigma Code
Episode overview
The flaw which allowed the Allies to break the Nazi Enigma code.
2013x3
Number 1 and Benford's Law
Episode overview
Why number 1 is the "leading digit" more often than you may expect?
2013x4
Brady's Videos and Benford's Law
Episode overview
Do the viewing figures on YouTube obey Benford's Law?
2013x5
Numbers and Brains
Episode overview
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.
2013x6
End of Time (Unix)
Episode overview
Time will "end" for 32-bit computers on 19 January, 2038.
2013x7
The Most Favourite Number
Episode overview
What number is the "most favourite"? We analyse your comments.
2013x8
Dragon Curve
Episode overview
Beautiful Dragon Curves, Fractals and Jurassic Park. Featuring Rob Eastaway.
2013x9
New Largest Known Prime Number
Episode overview
There is a new "largest known prime number".
2013x10
Anatomy of a Goal
Episode overview
A numerical look at a World Cup winning goal. With thanks to the stats gurus at Opta
2013x11
Quick chat with Brady
Episode overview
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
2013x11
Zequals and Estimation
Episode overview
Rob Eastaway on his "zequals" estimation method - ruthless rounding!
2013x12
Meet James Grime
Episode overview
Chatting with Numberphile regular, Dr James Grime. Some links below from the discussion...
2013x13
Pi and the size of the Universe
Episode overview
Pi is famously calculated to trillions of digits - but Dr James Grime says 39 is probably enough
2013x14
Synesthesia
Episode overview
Talking about Grapheme to Colour Synesthesia with Alex from Bite Sci-Zed
2013x15
Dragon Curve to Music
Episode overview
An animated Dragon Curve by Pierre Bernard and music by Alan Stewart.
2013x16
The problem in Good Will Hunting
Episode overview
Just how hard was the second problem cracked by Will in Good Will Hunting? Matt Damon! And who doesn't love Homeomorphically Irreducible Trees?
2013x17
Who was the REAL Good Will Hunting?
Episode overview
George Dantzig, William Sidis, Srinivasa Ramanujan? Who was the real Good Will Hunting?
2013x18
Calculating Pi with Real Pies
Episode overview
How accurately can we calculate Pi using hundreds of REAL pies?
2013x19
How Pi was nearly changed to 3.2
Episode overview
The State of Indiana nearly passed a law which would have made Pi equal 3.2 - strange but true.
2013x20
Pi with Pies (director's slice)
Episode overview
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 .. show full overview
2013x21
Problems with French Numbers
Episode overview
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.
2013x22
19 out of 20
Episode overview
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.
2013x23
Statistics on Match Day
Episode overview
As promised, we join the Opta team harvesting data from football/soccer matches on match day.
2013x24
Squaring the Circle
Episode overview
Why was squaring the circle - the old-fashioned way - found to be impossible?
2013x25
Safe Cracking
Episode overview
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.
2013x26
Fibonacci Tartan and Bagpipes
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This episode has no summary.
2013x27
Zeno's Paradox
Episode overview
Dr James Grime is back and talking about tortoises.
2013x28
Random Numbers
Episode overview
Using radioactive material to generate random numbers...
2013x29
Infinite Primes
Episode overview
How do we know there are an infinite number of primes? Dr James Grime explains, with a bit of help from Euclid.
2013x30
Numberphile in Nepal
Episode overview
Just a quick one from Brady after his return from Nepal.
2013x31
Illegal Numbers
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This episode has no summary.
2013x32
Maths Jokes Explained
Episode overview
Some of your favourite maths jokes are dissected in forensic fashion.
2013x33
Base Number Jokes Explained
Episode overview
Not all jokes are in base 10...
2013x34
Why 381,654,729 is awesome
Episode overview
Discussing pandigital numbers with Dr James Grime (and a special guest).
2013x35
Googol Song
Episode overview
Singing a googol - but what about a googolplex? (contains some bleeped swearing) Featuring Helen Arney (http://helenarney.com/) and Matt Parker
2013x36
Gaps between Primes
Episode overview
An exciting paper about gaps between prime numbers - a step closer to proving the twin prime conjecture.
2013x37
What colour is 27?
Episode overview
More on number/color synesthesia, including your questions for with Alex Dainis.
2013x38
Number Trick
Episode overview
Just a quick number trick with Dr James Grime.
2013x39
Mathematical Music
Episode overview
Alan Stewart makes music for many of Brady's videos, including here on Numberphile. In this video he explains some of his compositions.
2013x40
Zero Factorial
Episode overview
0! = 1 Dr James Grime tries to explain why this is the case
2013x41
Transcendental Numbers
Episode overview
Numbers like e and Pi cannot be made using normal algebra. Featuring Australia's Numeracy Ambassador, Simon Pampena.
2013x42
Is it Math or Maths?
Episode overview
An emotional subject for some - we ask a linguist about Math (US-style) and Maths (British-style).
2013x43
Cicada 17
Episode overview
Why do cicadas emerge every 17 years - featuring Steve Mould.
2013x44
One minus one plus one minus one
Episode overview
Discussing the brain-bending Grandi's Series and Thomson's Lamp - featuring Dr James Grime.
2013x45
Prime Spirals
Episode overview
Prime numbers, Ulam Spirals and other cool numbery stuff with Dr James Grime.
2013x46
41 and more Ulam's Spiral
Episode overview
More on prime numbers and Ulam's Spiral - this time focusing on 41 and Arthur C. Clarke.
2013x47
Infinity Paradoxes
Episode overview
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 .. show full overview
2013x48
Awesome Prime Number Constant
Episode overview
Have you ever heard of Mills' Constant? Several people have pointed out the n=4 prime is 2521008887 (we missed an 8)
2013x49
Six Sequences
Episode overview
Which of these number sequences do you like best?
2013x50
British Numbers confuse Americans
Episode overview
Two Americans living in England discuss the numeric nuances which cause them problems.
2013x51
Number Line
Episode overview
How do you measure with numbers if they have no size?
2013x52
Point about Points
Episode overview
This video features Simon Pampena, Australia's numeracy ambassador.
2013x53
Primes are like Weeds (PNT)
Episode overview
The Prime Number Theorem shows that primes are like weeds, popping up everywhere! Dr James Grime explains
2013x54
Can Fish Count
Episode overview
More on numerosity and number cognition with Brian Butterworth - this time discussing research with animals.
2013x55
Phone Buttons
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This episode has no summary.
2013x56
Log Tables
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2013x57
WARNING: Contains Numbers
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2013x58
Fibonacci Mystery
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2013x59
Fermat's Last Theorem
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This episode has no summary.
2013x60
Homer Simpson vs Pierre de Fermat
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2013x61
Politics and Numbers
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This episode has no summary.
2013x62
Unboxing Calculators
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2013x63
Sloane's Gap
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2013x64
Cyclic Numbers
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2013x65
Pi and Four Fingers
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This episode has no summary.
2013x67
Shapes and Solids of Constant Width
Episode overview
Steve Mould discusses shapes and solids of constant width, including the Reuleaux triangle and the UK's 50p coin.
2013x67
87,539,319
Episode overview
This episode has no summary.
2013x68
Connect Four
Episode overview
This episode has no summary.
2013x69
10:10 in Watch Advertisements
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2013x70
Pebbling a Chessboard
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This episode has no summary.
2013x71
More about Pebbling a Chessboard
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This episode has no summary.
2013x72
How did the NSA hack out emails?
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This episode has no summary.
2013x73
Casio Calculator Unboxing
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This episode has no summary.
2013x74
Calculator Watch Unboxing
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This episode has no summary.