Shopping on the go just got easier in South Korea. A new virtual store developed by Euro grocery giant Tesco for its line of South Korean Home Plus supermarkets lets customers browse store shelves for the products they want just as if they were in a physical store. But they’re not. They’re on a subway platform.
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.