A big-name new book, featuring a few of my scraggly illustrations.
shadowsock 免费服务器
shadowsock 免费服务器
A story isn't a story if you scream it all at once.
shadowsock 免费服务器
Your chance to help shape a forthcoming book.
shadowsock 免费服务器
Pencil, paper, and a little flash of genius.
shadowsock 免费服务器
This high school math teacher is drawing low-key comparisons to Richard Feynman.
shadowsock 免费服务器
35 of my silliest, stupidest, and most heartfelt math cartoons.
shadowsock 免费服务器
A 9-year-old scrawls an innocent problem... and suddenly 3D surfaces are intersecting in 4D space.
shadowsock 免费服务器
Tricky equivalences.
shadowsock 免费服务器
Visually stimulating. Mathematically rich.
“What Makes a Great Teacher?” Answered by 4 Great Teachers
Four different (and wise) answers.
