Say the word "toy" to a techie, and his mind will think one thing: robots. But all infrared-loving, artificially-intelligent smart-toy-ogling tech-savvy aside, new toys can instill as much "ooh! shiny!" as even the hottest cellphone. And we're not just talking about robots: This week, the International Toy Fair hit NYC, and PopSci.com found 20 funky new toys with a few tricks up their sleeves.
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.