Better but harder Published on October 18, 2022October 17, 2022 by fivecolorssandt@icloud.com Simple becomes difficult We ponder how the same scientific task gets harder with time. Read More
Updates Published on September 20, 2022September 19, 2022 by fivecolorssandt@icloud.com Light and peppers We report on things inevitable and unpredictable. Read More
Liquids in space? Published on September 13, 2022September 11, 2022 by fivecolorssandt@icloud.com Chemical calculations An offhand comment led to a set of hybrid calculations. Read More
Programmable (II) Published on August 23, 2022August 22, 2022 by fivecolorssandt@icloud.com Victory of the geeks We note one time when the computer-engineers won over the marketers. Read More
What kind of scientist? Published on August 9, 2022August 7, 2022 by fivecolorssandt@icloud.com Astronomers of different eras We note that different kinds of people have become astronomers, depending on when they worked. Read More
The limits of the eye Published on July 12, 2022July 11, 2022 by fivecolorssandt@icloud.com Ordering the planets There are some things that the naked eye just can’t do. Read More
One’s own sky Published on June 28, 2022June 28, 2022 by fivecolorssandt@icloud.com The kitchen as sundial We notice that calibrated instruments are not always necessary. Read More
Old-fashioned astronomers (I) Published on March 15, 2022March 14, 2022 by fivecolorssandt@icloud.com Arlo Landolt The importance of calibration. Read More
Distant cousins Published on March 1, 2022February 25, 2022 by fivecolorssandt@icloud.com The extended family We make a count of our relations. Read More
Reading the dial (II) Published on February 22, 2022February 20, 2022 by fivecolorssandt@icloud.com Graphs and indicators Digits can be deceiving. Read More