Idler's delight

Be careful -- you might lose track of time -- when you visit Greg Ross's Futility Closet, where you can ponder questions, answers, and fascinating tales gathered from all over. For instance, you can discover that mathematicians have been unable to determine the size of the largest sofa you can get around a corner in a one-meter corridor:

Hammersley sofa animated

(Image from Wikimedia Commons vie Greg Ross)

1 comment