The Triangle Problem or What's Wrong with the Obvious Truth...
I'm interested in and write about a wide variety of topics - economics, psychology, marketing, music, etc. I prefer writing long articles to short posts and don't update very often.
Brothers in Binary - Futility Closet
Touch Mathematics | Trigonometry
A collection of free, web browser-based apps that aim to make mathematics intuitive for learners of all ages.
age calculator at Math Cats
age calculator: how old are you in years, months, weeks, days, minutes, or seconds???
A Date Idea Analyzed
I don't do conventions very often, but I recently went to out in Northampton, MA, while visiting some friends. While I was there, I had a guy propose something fascinating to me. I can't remember the guy's name, so if he or one of his friends sees...
elementary number theory - Deleting any digit yields a prime......
The Answer Wheel | Futility Closet
10 readers' favourite numbers
On Friday, the Magazine marked the death of Jerry Nelson, the puppeteer behind Sesame Street's Count von Count, by revisiting a BBC radio interview in which the Count said his favourite number was 34,969 (187 squared).
Geeky pin numbers - Spiked Math
Geeky pin numbers - Spiked Math Comic - A daily math webcomic meant to entertain and humor the geek in you...