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
Seeking agreement Published on October 7, 2025October 6, 2025 by fivecolorssandt@icloud.com Another step We propose a modification of the Scientific Method. 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 synthesis project Published on August 19, 2025August 17, 2025 by fivecolorssandt@icloud.com Doomed ideas (I) We present something that almost certainly won’t happen. Read More
The answers Published on August 12, 2025August 10, 2025 by fivecolorssandt@icloud.com General but obscure knowledge We give the answers to the questions we posed last week. Read More
General knowledge Published on August 5, 2025August 3, 2025 by fivecolorssandt@icloud.com Challenge problems We present some interdisciplinary questions from our tutoring consultant. 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
Teaching to the test (II) Published on May 7, 2024May 6, 2024 by fivecolorssandt@icloud.com Good questions? The hardest part of teaching may be finding good questions to ask. 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
The answers Published on April 2, 2024March 31, 2024 by fivecolorssandt@icloud.com and explanations We present the answers to last week’s conundrums. Read More