Weekend miscellany

Computing

The wonderful world of early computing
How to design programs

Twitter

Twitter accounts for all StackOverflow users by reputation and area
One fact per day from computer science, math, statistics, etc.

Science

Elementary mechanics from a mathematician’s viewpoint
Using ultrasound to study dying languages

Math

Spherical trigonometry textbook from 1886, typeset in LaTeX
Real Roman numerals
Ulam spiral

3 thoughts on “Weekend miscellany

  1. Thanks. I hadn’t heard the practical explanation for IIII on clocks.

    I liked the line in the article “There are many suggested explanations for this, several of which may be true.”

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