Alan Richmond

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

About Me
Richmond Sites
Alan Turing: computable numbers and Turing machines, the Turing test, his Zeta machine and the Riemann Hypothesis, a history timeline

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Top Posts & Pages

A Neural Network in Python, Part 1: sigmoid function, gradient descent & backpropagation
Create Your Own Ubuntu-respin Linux Distro
Solar System Scope
A Graphical Dice Simulator
Alan Turing on Computable Numbers and Computer Programs
Book Review: Coloring the Universe
Popular Sorting Algorithms
Make 'Computer Music' with a very small program!
A Basic Introduction to HTML