Peak poison Published on February 24, 2026February 23, 2026 by fivecolorssandt@icloud.com The dangers of chemistry When was the worst era to be a chemist? Read More
Rereading Published on February 17, 2026February 15, 2026 by fivecolorssandt@icloud.com What, again? Isn’t once enough? Read More
Sunrise, sunset Published on January 27, 2026January 26, 2026 by fivecolorssandt@icloud.com In-between calculations In the twilight land of Spherical Astronomy. . . Read More
On names Published on January 13, 2026January 11, 2026 by fivecolorssandt@icloud.com Oldest, least-understood What does your name mean? Read More
Expensive but worthless Published on January 6, 2026January 4, 2026 by fivecolorssandt@icloud.com The economics of obsolescence Anyone want a high-end enlarger? Read More
The einkorn advantage Published on December 23, 2025December 21, 2025 by fivecolorssandt@icloud.com Growing and using Why would anyone grow crops from ancient times? Read More
The dismal science Published on December 9, 2025December 8, 2025 by fivecolorssandt@icloud.com Why bother? Economics is dismal, yes. But a science? Read More
Freestyle grammar Published on December 2, 2025December 1, 2025 by fivecolorssandt@icloud.com Translating the rules Sometimes you need to widen your thinking just a little. Read More
The old fort Published on October 28, 2025October 27, 2025 by fivecolorssandt@icloud.com Restoration and recreation How much of an historic site needs to be historic? Read More
Going shopping (I) Published on October 21, 2025October 20, 2025 by fivecolorssandt@icloud.com In person We offer some observations on spending money. Read More
