Old projects Published on April 16, 2024April 15, 2024 by fivecolorssandt@icloud.com A plea for documentation We pull out something from the archives. Read More
time and tide Published on March 19, 2024March 17, 2024 by fivecolorssandt@icloud.com Teaching complexity Almost every subject is complicated if you go deeply enough into it. Where do you stop teaching? Read More
Moonset, Moonrise Published on October 31, 2023October 31, 2023 by fivecolorssandt@icloud.com Signs in the sky Was it a long day, or a long night? Read More
The limits of knowledge Published on October 10, 2023October 9, 2023 by fivecolorssandt@icloud.com Necessary learning Nowadays, one needs to learn software in order to learn software. Read More
A simpler theory (II) Published on July 11, 2023July 9, 2023 by fivecolorssandt@icloud.com Writing down the equation We notice how mathematical notation affects scientific progress. Read More
Big Bang vs. Steady State Published on June 20, 2023June 19, 2023 by fivecolorssandt@icloud.com A misremembered episode The Big Bang won. But not the way it’s normally presented. Read More
Beware 2038! Published on March 28, 2023March 27, 2023 by fivecolorssandt@icloud.com Numbers and the sky We describe a year when the rules don’t work. Read More
Round numbers Published on February 28, 2023February 27, 2023 by fivecolorssandt@icloud.com An even ten-thousand We note an almost unknown milestone. Read More
What are the chances? Published on January 31, 2023January 31, 2023 by fivecolorssandt@icloud.com Some Bayesian statistics Mathematics isn’t always counterintuitive. Read More
A good plot Published on January 17, 2023January 16, 2023 by fivecolorssandt@icloud.com This against that What do your data really say? Read More