A philosophical essay Published on December 17, 2024December 16, 2024 by fivecolorssandt@icloud.com Many topics A mathematical essay turns out to have much more than mathematics in it. Read More
But first- Published on November 12, 2024November 10, 2024 by fivecolorssandt@icloud.com The two-step problem We identify a major block to productivity. Read More
A changing syllabus Published on November 5, 2024November 4, 2024 by fivecolorssandt@icloud.com What to learn “Quantum Mechanics” is not what it used to be. 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
A difficult problem Published on October 1, 2024October 1, 2024 by fivecolorssandt@icloud.com Too hard The challenge problem was difficult. The interesting question is: why? Read More
The right textbook Published on August 28, 2024August 27, 2024 by fivecolorssandt@icloud.com Too big, too slow, too sparse? We describe a problem that you probably don’t have. Read More
Octopus arithmetic Published on August 6, 2024August 5, 2024 by fivecolorssandt@icloud.com How different could it get? We ponder how to communicate with aliens. Read More
Cyborg students Published on July 9, 2024July 7, 2024 by fivecolorssandt@icloud.com Mechanical aids When we test students today, what do we test? Read More
Misnaming things Published on May 14, 2024May 14, 2024 by fivecolorssandt@icloud.com The astronomer’s dictionary Misleading terms make learning Astronomy harder. Read More
Teaching to the test (II) Published on May 7, 2024May 6, 2024 by fivecolorssandt@icloud.com Good questions? The hardest part of teaching may be finding good questions to ask. Read More
