Following an announcement last week from Neonode, One Laptop Per Child ("OLPC"), a nonprofit organization whose mission is to provide every child in the world access to new channels of learning, sharing and self-expression, confirmed today that an exciting new and transformative version of the XO device is currently in development.

ENGADGET: One Laptop Per Child's XO-4 Touch 'expected' to be released in Q1 2013

In another exciting development, researchers at Georgia Tech have developed a self-charging power cell that's able to directly convert mechanical energy into chemical energy, making it possible to harvest up to five times more energy from footsteps.

ENGADGET: Inhabitat's Week in Green: go-kart made of Lego bricks, TOTO toilet bike and the launch of 'Willow Glass'