Old telescopes Published on February 18, 2025February 16, 2025 by fivecolorssandt@icloud.com Still useful The problem is funding. Read More
Specialization Published on January 7, 2025January 5, 2025 by fivecolorssandt@icloud.com Comparative advantage How much should you be able to do, and how well? Read More
Christmas cards (II) Published on December 10, 2024December 8, 2024 by fivecolorssandt@icloud.com Chronicles Including the unimportant is important. Read More
Charted waters Published on November 26, 2024November 26, 2024 by fivecolorssandt@icloud.com More than depths A nautical chart contains an enormous amount of information, if you can read it. Read More
Gaps in knowledge Published on November 19, 2024November 15, 2024 by fivecolorssandt@icloud.com High and low We note some gaps in our expertise. Read More
Attention to detail Published on October 22, 2024October 18, 2024 by fivecolorssandt@icloud.com Small mistakes We compare old and new examples of unforgiving calculations. Read More
Domesticated plants Published on October 6, 2024October 6, 2024 by fivecolorssandt@icloud.com The earliest servant The first plant pressed into human service is probably not the one you’re thinking of. Read More
A legacy Published on September 24, 2024September 24, 2024 by fivecolorssandt@icloud.com Lessons learned We ponder what we want to leave behind. Read More
The student’s load Published on September 10, 2024September 8, 2024 by fivecolorssandt@icloud.com Getting bigger Why are students carrying around more stuff than they used to? Read More
Getting quieter Published on September 3, 2024September 1, 2024 by fivecolorssandt@icloud.com A small triumph We note an important advance in technology that has happened without fanfare. Read More