By Catherine Harris
Posted 12.09.2003 at 5:31 pm 0 Comments
A reader inquires: On a flight recently, I left my cellphone on by accident,
and yet the plane did not fall out of the sky. Aren't "personal electronic
devices" supposed to be a danger to cockpit controls?
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.