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
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
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
What not to do Published on August 17, 2021August 15, 2021 by fivecolorssandt@icloud.com The project review Sometimes abandoning an effort is a positive step. Read More
Degrees of difficulty Published on November 24, 2020November 23, 2020 by fivecolorssandt@icloud.com Impossible, inevitable and in between Some actions in science fiction are much more difficult than others. Read More
Rules, principles and recipes (II) Published on June 23, 2020June 22, 2020 by fivecolorssandt@icloud.com The scientific way Scientific rules, like all rules, must be applied intelligently. Read More
More of the story Published on April 21, 2020April 21, 2020 by fivecolorssandt@icloud.com Help from an old textbook Knowing just a little more is sometimes helpful. Read More
Why teach errors? Published on October 2, 2018October 2, 2018 by fivecolorssandt@icloud.com Outdated, still in use We look for reasons to teach things that aren’t true. Read More