Using goTenna's Pocket Antenna to Send Texts Without Cell Service

Inspired by the downed cell towers and utility outages of Hurricane Sandy, the folks at goTenna wanted a way to keep smartphones connected even when the grid fails. What they came up with is a pocket-sized handheld antenna that lets users send texts and location info without cell service. And we got to see a prototype… » 7/24/14 1:50pm 7/24/14 1:50pm

Get Off the Grid: Air-X Personal Wind Turbine

If you're longing to get yourself off the grid, the Air-X is a personal wind turbine that gives you 400 watts of power when the wind is blowing at 28mph. When it s not, you can use batteries, and Air-X helps out there, too, with its charge controller that s smart enough to figure out when batteries need charging and… » 3/24/06 11:31am 3/24/06 11:31am