U.S Customs and Border Protection has a new hire on hand at its Nogales, Ariz., border crossing between the United States and Mexico. CBP has installed an avatar kiosk at the checkpoint to help quickly move persons enrolled in CBP’s Trusted Traveler program through the border crossing quickly, analyzing what they say--both their words and the way they say them--for suspicious signals.
Smuggling drugs into the U.S. has become such a complicated and high-tech affair, with cartels building sophisticated tunnel networks and stealthy submarines to get their goods around the watchful eye of customs and border patrol agents. But a group of Mexican drug runners recently applied an 8th-century approach to their profession, using a homemade, trailer-mounted catapult to hurl bales of marijuana over the border fence.
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.