Make a map Published on February 9, 2021February 7, 2021 by fivecolorssandt@icloud.com Charts, surveys and catalogs We notice the importance of what and where. Read More
The prepared mind Published on February 2, 2021February 1, 2021 by fivecolorssandt@icloud.com Learning from an observation What we see depends on what we’re looking for. Read More
Morse code Published on January 5, 2021January 3, 2021 by fivecolorssandt@icloud.com High-speed digital communication The telegraph required a new way of writing messages. Read More
Four elements, four humors Published on December 1, 2020December 1, 2020 by fivecolorssandt@icloud.com Before the revolution We conclude that it can be useful to teach something that is actually wrong. Read More
An audio culture Published on November 17, 2020November 16, 2020 by fivecolorssandt@icloud.com The book, the movie and the radio play We ponder how the medium affects the story. Read More
A video culture? Published on November 10, 2020November 9, 2020 by fivecolorssandt@icloud.com The way we communicate Is the written word no longer important? Read More
Starting from here Published on October 20, 2020October 19, 2020 by fivecolorssandt@icloud.com Using a simplistic idea We consider a way to use something so simplified that it’s wrong. Read More
Multiple-choice History Published on October 13, 2020October 13, 2020 by fivecolorssandt@icloud.com Making it simple Our tutor ponders the trade-off between accuracy and simplicity in teaching. Read More
It used to be hard Published on September 15, 2020September 15, 2020 by fivecolorssandt@icloud.com Now it’s easy Are some things too easy to do nowadays? Read More
Astronomy in church Published on August 18, 2020August 17, 2020 by fivecolorssandt@icloud.com The cathedral as observatory We add some complication to an often oversimplified story. Read More