The touchscreen in Nissan’s new $70,000, 480-horsepower GT-R sports car does more than show you the fastest route to the shopping mall—it makes you a better driver. The system logs data such as steering angle and G-force so performance freaks can squeeze the very most out of the car. And a gearshift map shows when to shift for optimal fuel efficiency. The snazzy graphics come from game developer Polyphony Digital, the studio that created the Sony PlayStation driving-game series Gran Turismo. Just remember, there are no do-overs if you crash.
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.