Turning Spheres Inside OutNovember 17, 2007November 16, 2007Seen, Heard, Said The times they are a-changin’. This post seems to be older than 15 years—a long time on the internet. It might be outdated. Have you ever wanted to turn a sphere inside out? How about without creases or sharp corners? Warning: Math content to follow! The following 20 minute video will show you how: via kottke 0 Related Tags:Google videokottkemathspherevideo