MIT’s SENSEable City Lab created this cool analysis of address-books in Portugal. The gist of it is that there are more contacts-per-person in large cities, but those networks aren’t more inter-connected (the idea of “urban villages”).
PHD student Jason Cole used the Helmholtz equation to try to optimally position his wifi-router in his apartment.
A cool map from Pew Research showing how the Muslim population is distributed in the world.
136 countries have a smaller population than the city of Tokyo.