Monday, December 12, 2016

Timothy Browning: Numberphile: Hasse Principle

Timothy Browning

Bobby Wilson: Numberphile: Let's Talk About Sets

Bobby Wilson

  • Arithmetic progression (等差数列)
  • Geometric progression (等比数列)
  • Cantor middle third set

Philip Moriarty: Computerphile: Physics of Computer Chips

Philip Moriarty

David Brailsford: Computerphile: Computers Without Memory

David Brailsford

Jem Davies: Computerphile: CPU vs GPU (What's the Difference?)

Jem Davies


  • Specialist processor
  • 3D plane equations
  • extracting parallelism
  • we care bulk throughput
  • throughput computing

Jem Davies: Computerphile: ARM Don't Make Computer Chips

Jem Davies


  • IP blocks

Steve Furber: Computerphile: Why ARM Owes Apple

Steve Furber

Gaming Historian: The Story of Super Mario Bros. 2

Philip Moriarty: Sixty Symbols: A Magic Number: The Feigenbaum Constant

Philip Moriarty


δ ≈ 4.6692

Saturday, December 10, 2016

Grant Sanderson: 3Blue1Brown: Visualizing the Riemann zeta function and Analytic Continuation

Grant Sanderson


  • Analytic continuation (解析接続)
  • Riemann zeta function (リーマンゼータ関数)
  • Complex analysis
  • Analytic = Angle-preserving ...kind of

Burkard Polster: Mathologer: Times Tables, Mandelbrot and the Heart of Mathematics

Burkard Polster


  • Cardioid (カージオイド)
  • Multiplication table (九九)
  • Catacaustic
  • 2 times table modulo 200
  • 34 times table modulo 200
  • 51 times table modulo 200
  • 99 times table modulo 200

Thursday, December 8, 2016

David Brailsford: Computerphile: The Great 202 Jailbreak

David Brailsford


  • Bell Labs (ベル研究所)
  • Typesetting (組版)