HTC's Evo line of Android smartphones is big on firsts: The Evo 4G was the first 4G phone in America (by current definitions, at least), and its sequel, the Evo 3D, is the nation's first to pack a glasses-free stereoscopic 3-D display, like the Nintendo 3DS.
Today at the CTIA conference in Orlando, HTC and Sprint announced the new HTC Evo 3D, which will be one of the first 3-D-capable smartphones in the country, just following the LG Thrill 4G on AT&T. These phones are both big, powerful Android phones, with an interesting twist of glasses-free 3-D displays.
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.