"Impossible Street Signs" T-Shirt
Become a mathematical accuracy activist in your own home through the medium of branded apparel... ...with this t-shirt, inspired by...
"It's Not That Cold" T-Shirt
In Festival of the Spoken Nerd's latest stage show "You Can't Polish A Nerd", Steve creates the ultimate rebuttal to...
"Girls & Boys" Venn diagram T-Shirt
The song Girls and Boys by Blur features lyrics that are complex from a Set Theory point of view. This Venn...