Comfortably Numbered (http://hardmath123.github.io http://hardmath123.github.io) is about how you can learn so much about the world just by thinking deeply abou

Comfortably Numbered (http://hardmath123.github.io http://hardmath123.github.io) is about how you can learn so much about the world just by thinking deeply about the simplest things — shadows, trees, orchards, laundry, fish. The lesson is to keep your eyes open.