By Stewart Wolpin
Posted 05.14.2012 at 5:47 pm 1 Comment
More cellphones meet their demise from exposure to moisture than from any other cause--so we've all got a vestedinterest in waterproof phones. In the past, a user who wanted to protect his phone had to buy a watertight case, and thus double the size of the device.
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.