A photo album Published on October 20, 2026October 17, 2026 by fivecolorssandt@icloud.com Keeping things Label your pictures! 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
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
Not finding Published on November 25, 2025November 24, 2025 by fivecolorssandt@icloud.com Negative information Not finding what you were looking for is not always a failure. 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
A cross-boundary class Published on August 26, 2025August 25, 2025 by fivecolorssandt@icloud.com Doomed ideas (II) We present another project that almost certainly won’t happen. Read More
The exclusionary rule Published on July 22, 2025July 21, 2025 by fivecolorssandt@icloud.com People are different You can’t please all the people any of the time. Read More
Old paper (II) Published on June 10, 2025June 8, 2025 by fivecolorssandt@icloud.com Lasting images Writing is not the only medium we might want to preserve. Read More
Classical art Published on March 25, 2025March 24, 2025 by fivecolorssandt@icloud.com Good or new? We make some comments outside our area of expertise. Read More
Responsibility Published on July 23, 2024July 21, 2024 by fivecolorssandt@icloud.com The passive voice Sometimes it’s hard to work out who is responsible. It’s only going to get harder. Read More