Numbering the stars (I) Published on February 26, 2019February 25, 2019 by fivecolorssandt@icloud.com Big numbers We look at answers to an obvious question. Read More
Destroying the world (almost) Published on February 19, 2019February 17, 2019 by fivecolorssandt@icloud.com Science to serve the plot We comment on a science-fiction novel in progress. Read More
Username and password Published on February 12, 2019February 11, 2019 by fivecolorssandt@icloud.com Online registration Why do we have to have an account for everything we do online? Read More
What is your name? Published on February 5, 2019February 6, 2019 by fivecolorssandt@icloud.com Power and placeholders We point out a difference between mathematics and magic. Read More