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Alan Richmond

Scientific systems programmer (ex NASA, ESA/ESO, Hubble), web developer, online retailer (retired)

  • About Me
    • Me, Myself, & I
    • Alan Richmond’s CV
    • Academic Publications
    • Testimonials
      • 1988 – 1990 Testimonial from STScI
      • 1985 – 1988 Testimonial from ST-ECF
      • 1991 – 1993 Testimonial from ESRF
      • 1981 – 1987 Testimonial from JET/Max Planck Institute for Plasma Physics
    • Contact Me
  • Richmond Sites
    • Pretty Math Pictures
    • Neil Richmond Photography
    • Mark Richmond (facebook)
  • Alan Turing: computable numbers and Turing machines, the Turing test, his Zeta machine and the Riemann Hypothesis, a history timeline
    • The Imitation Game: A Poor Imitation of Reality
    • Alan Turing Timeline
    • Dr. Turing’s Automatic Machine
    • Turing’s Zeta Machine & the Riemann Hypothesis
    • The Turing Test
    • Alan Turing on Computable Numbers and Computer Programs
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Recent Posts: Pretty Math Pictures

Multi-pendulum Harmonograph simulator using numpy and matplotlib

Multi-pendulum Harmonograph simulator using numpy and matplotlib

Spectral Harmonographs

Spectral Harmonographs

Harmonograph in Pygame

Harmonograph in Pygame

Stars and Stripes

Stars and Stripes

Rainbow Flag in Pygame

Rainbow Flag in Pygame

Top Posts & Pages

  • A Neural Network in Python, Part 1: sigmoid function, gradient descent & backpropagation
  • Create Your Own Ubuntu-respin Linux Distro
  • A Graphical Dice Simulator
  • Animated Tower of Hanoi
  • Popular Sorting Algorithms
  • Barcodes in the Stars: Stellar Spectroscopy
  • A Neural Network in Python, Part 2: activation functions, bias, SGD, etc.
  • Naive Mandelbrot Set
  • Disturbed - The Sound of Silence
  • Alan Turing on Computable Numbers and Computer Programs
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Tag: puzzles

General Puzzles

General Puzzles

A man who lives on the tenth floor takes

12 Feb - by Alan - 0 - In Puzzles
Logic Puzzles

Logic Puzzles

- by Alan - 0 - In Puzzles
Lateral Thinking Puzzles

Lateral Thinking Puzzles

Be prepared to think outside the box for these

- by Alan - 0 - In Puzzles