Teaching old things Published on August 29, 2023August 27, 2023 by fivecolorssandt@icloud.com The uses of the obsolete Something that’s no longer used can still be illuminating. Read More
The theoretical piston Published on August 22, 2023August 20, 2023 by fivecolorssandt@icloud.com A useful idea We ask a chicken-and-egg question about a textbook staple. Read More
