Old popular science Published on March 24, 2026March 24, 2026 by fivecolorssandt@icloud.com Cutting-edge of the past Were popular science authors just better at it, years ago? Read More
The negatives Published on March 17, 2026March 16, 2026 by fivecolorssandt@icloud.com Hard copy How do you view your images? Read More
Logic and common sense Published on March 10, 2026March 9, 2026 by fivecolorssandt@icloud.com Rejecting the experts How do you reason? Read More
Unsolicited Published on March 3, 2026March 2, 2026 by fivecolorssandt@icloud.com Entangled Advertising is everywhere. And “everywhere” keeps increasing. Read More
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
The archives Published on January 20, 2026January 19, 2026 by fivecolorssandt@icloud.com Digging For those of us not utterly organized. . . 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
