Four elements, four humors Published on December 1, 2020December 1, 2020 by fivecolorssandt@icloud.com Before the revolution We conclude that it can be useful to teach something that is actually wrong. Read More
More of the story Published on April 21, 2020April 21, 2020 by fivecolorssandt@icloud.com Help from an old textbook Knowing just a little more is sometimes helpful. Read More
Solving the problem Published on August 13, 2019August 12, 2019 by fivecolorssandt@icloud.com Standardized tests (again) When does learning become rote? Read More
Helium hydride Published on April 30, 2019April 28, 2019 by fivecolorssandt@icloud.com Rules and exceptions We ponder the non-nobility of a Noble Gas. Read More