Future tech doesn't always look the way the '70s might've predicted, but sometimes it does. Case in point: this beautiful, fully functional hoverbike that could've been torn out of our archives. It's going to be a while before you see one zipping down the street, but if the public does get a chance to ride one, the bike is rideable right out of the box--no training required.
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.