Math
For Math Fans: Some Puzzles from Game of Life Creator John Conway
The great British mathematician passed away from COVID-19 last year. To celebrate his memory, here is a small sampling of the recreational mathematics he loved so well
Stories by Jean-Paul Delahaye
Math
For Math Fans: A Hitchhiker’s Guide to the Number 42
Here is how a perfectly ordinary number captured the interest of sci-fi enthusiasts, geeks and mathematicians
Math
The Mathematics of (Hacking) Passwords
The science and art of password setting and cracking continues to evolve, as does the war between password users and abusers
Mind
The Science Behind Sudoku
Solving a Sudoku puzzle requires no math, not even arithmetic. Even so, the game poses a number of intriguing mathematical problems
