Small perturbations Published on April 15, 2025April 14, 2025 by fivecolorssandt@icloud.com A big subject We describe how to do something that’s hard. Read More
The meeting (II) Published on January 28, 2025January 27, 2025 by fivecolorssandt@icloud.com Software and soft skills Our astronomer adds some comments on the meeting he attended this month. Read More
In person Published on January 21, 2025January 17, 2025 by fivecolorssandt@icloud.com At the meeting Why do scientists go to such great lengths to meet in person? Read More
A philosophical essay Published on December 17, 2024December 16, 2024 by fivecolorssandt@icloud.com Many topics A mathematical essay turns out to have much more than mathematics in it. Read More
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
Getting the stars right Published on August 13, 2024August 12, 2024 by fivecolorssandt@icloud.com Does it matter? We wonder how careful a fiction author really needs to be. 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
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
Breadcrumbs Published on March 5, 2024March 4, 2024 by fivecolorssandt@icloud.com Not even suggestions Our tutor’s activities sometimes depart from the syllabus. Read More
Clutter Published on February 27, 2024February 25, 2024 by fivecolorssandt@icloud.com The state of your desk How clear should your desk, office or home be? Read More