Breadcrumbs Published on March 5, 2024March 4, 2024 by fivecolorssandt@icloud.com Not even suggestions Our tutor’s activities sometimes depart from the syllabus. Read More
Aldehydes and ketones Published on February 6, 2024February 4, 2024 by fivecolorssandt@icloud.com The road not taken Our tutor considers past alternatives. Read More
Rereading Published on August 1, 2023July 31, 2023 by fivecolorssandt@icloud.com and relearning We go back to some old textbooks. Read More
Factoring Published on February 14, 2023February 12, 2023 by fivecolorssandt@icloud.com Four ways Our tutor is faced with too many alternatives. 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
Knowing too much (II) Published on February 8, 2022February 6, 2022 by fivecolorssandt@icloud.com Mind the gap Sometimes there’s a space between too little and too much. Read More
Changing the world, or not Published on September 28, 2021September 26, 2021 by fivecolorssandt@icloud.com Recording sight and sound Some inventions change society; others don’t. Why? Read More
The courage of one’s calculations Published on August 10, 2021August 9, 2021 by fivecolorssandt@icloud.com Knowledge and its uses Knowing how to do something, and doing it, are not the same thing. Read More
In the back of the book Published on May 25, 2021May 24, 2021 by fivecolorssandt@icloud.com The right answer How did the answers in the answer key get there? Read More
Mixing subjects Published on September 8, 2020September 7, 2020 by fivecolorssandt@icloud.com Crossing boundaries We put forward an idea for a college class that will probably never happen. Read More