In 2009, English scientist Stephen Wolfram started a website--an "answer" engine--to redefine how information is gathered on its greatest-ever conduit. In this timeline, he catalogs "how our civilization has systematized knowledge, and gradually made it amenable to automation. This is about data and how it came to be the way it is in our world."
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.