Common sense Published on November 7, 2023November 6, 2023 by fivecolorssandt@icloud.com Everyone has it We consider common sense as a philosophical principle. Read More
The lateen rig Published on October 24, 2023October 22, 2023 by fivecolorssandt@icloud.com A misunderstood sail We consider a number of mistakes connected with a particular piece of old technology. Read More
At long intervals Published on September 12, 2023September 11, 2023 by fivecolorssandt@icloud.com Building on the floodplain The most dangerous things are those that don’t come often enough. 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
Arguing with Montaigne Published on July 25, 2023July 23, 2023 by fivecolorssandt@icloud.com Dealing with great writers We consider how to treat the first essayist. Read More
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
Big Bang vs. Steady State Published on June 20, 2023June 19, 2023 by fivecolorssandt@icloud.com A misremembered episode The Big Bang won. But not the way it’s normally presented. 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
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