By Adam Frucci/Gizmodo
Posted 06.24.2010 at 5:29 pm 20 Comments
Videocalling has been a sci-fi staple for decades. From 2001 to Back to the Future people chatting face-to-face from great distances was a way of saying "Hey, look, it's the future!" So does Facetime mean we're in the future?
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.