The decorative clock Published on October 3, 2023October 2, 2023 by fivecolorssandt@icloud.com Hands fixed We ponder our relationship with time, or at least with timekeepers. 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
Kids today Published on June 13, 2023June 14, 2023 by fivecolorssandt@icloud.com Effects of technology A graduation party starts us thinking about teenagers. Read More
Old-fashioned astronomers (II) Published on March 22, 2022March 21, 2022 by fivecolorssandt@icloud.com Roger Griffin Know your data! Read More
