Recycling is often too bothersome of a task for the average person. Enter Dustbot, an adorable Segway-powered robot that travels from home to home hauling out people's garbage on request. When notified by mobile phone, Dustbot uses GPS and motion sensors to locate the caller's address. Upon Dustbot's arrival, the caller selects the type of garbage he wants to give the robot. Dustbot then carries the trash or recycling to the appropriate location.
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.