A changing syllabus Published on November 5, 2024November 4, 2024 by fivecolorssandt@icloud.com What to learn “Quantum Mechanics” is not what it used to be. Read More
Attention to detail Published on October 22, 2024October 18, 2024 by fivecolorssandt@icloud.com Small mistakes We compare old and new examples of unforgiving calculations. Read More
A difficult problem Published on October 1, 2024October 1, 2024 by fivecolorssandt@icloud.com Too hard The challenge problem was difficult. The interesting question is: why? Read More
Too simple, or not simple enough Published on July 16, 2024July 12, 2024 by fivecolorssandt@icloud.com Modeling stars How do you know when you’ve included all the important things? Read More
Cyborg students Published on July 9, 2024July 7, 2024 by fivecolorssandt@icloud.com Mechanical aids When we test students today, what do we test? Read More
Misnaming things Published on May 14, 2024May 14, 2024 by fivecolorssandt@icloud.com The astronomer’s dictionary Misleading terms make learning Astronomy harder. Read More
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