New books and old Published on February 20, 2024February 18, 2024 by fivecolorssandt@icloud.com Adding and subtracting We have too many books, but sometimes we add more. Read More
Moonset, Moonrise Published on October 31, 2023October 31, 2023 by fivecolorssandt@icloud.com Signs in the sky Was it a long day, or a long night? Read More
People are different Published on October 17, 2023October 16, 2023 by fivecolorssandt@icloud.com Visual photometry Human eyes are not the same as electronic detectors. Read More
Eclipse planning Published on September 19, 2023September 17, 2023 by fivecolorssandt@icloud.com Choosing one’s data We contemplate activity during a very short time span. Read More
Rewriting the textbooks Published on August 8, 2023August 7, 2023 by fivecolorssandt@icloud.com When, and why We take a tired cliché seriously. 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
Has it been done? Published on May 30, 2023May 28, 2023 by fivecolorssandt@icloud.com The literature search We describe a necessary but sometimes tedious step in scientific research. 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
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
Science and economics Published on March 21, 2023March 20, 2023 by fivecolorssandt@icloud.com Publishing and paying Does it make sense? Read More