How a Pythagoras Cup works http://boingboing.net/2016/09/27/how-a-pythagoras-cup-works.html …pic.twitter.com/y2xcHbBhyK
2:05 AM - 28 Sep 2016
0 replies
12 retweets
18 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.