NASA’s Curiosity rover is landing on Mars next month. But it's already landed on iPhones. So have the twin GRAIL spacecraft currently orbiting the moon. A new iPhone/iPad app released by NASA delivers an augmented reality experience in 3-D that allows users to print off imagery of the moon or Mars and view that imagery through the cameras on their devices, which then overlay the image on the device screen with various animations, graphics, and information.
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.