History and the ship Published on July 18, 2023July 16, 2023 by fivecolorssandt@icloud.com Combining many things We present another way to teach history. 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
Sealing wax Published on May 23, 2023May 22, 2023 by fivecolorssandt@icloud.com Authenticity We ponder whether an affectation is actually useful. Read More
Beginning with color Published on April 18, 2023April 16, 2023 by fivecolorssandt@icloud.com A different start We explore a what-if about photography. Read More
A prestigious journal Published on April 11, 2023April 10, 2023 by fivecolorssandt@icloud.com More on science publishing How did it get this way? Read More
Convenience rules Published on April 4, 2023April 3, 2023 by fivecolorssandt@icloud.com Driving technological change Read More
Beware 2038! Published on March 28, 2023March 27, 2023 by fivecolorssandt@icloud.com Numbers and the sky We describe a year when the rules don’t work. Read More
Round numbers Published on February 28, 2023February 27, 2023 by fivecolorssandt@icloud.com An even ten-thousand We note an almost unknown milestone. Read More
Seldom done Published on February 7, 2023February 6, 2023 by fivecolorssandt@icloud.com Often is better We note ways in which modern technology makes things harder. Read More
A guide for the universe Published on January 3, 2023January 3, 2023 by fivecolorssandt@icloud.com Too much to deal with Do you need help to contemplate the universe? Read More