How the year's most promising technologists are chosen, and why we insist on their youth.
Inside the power source for portable electronics and electric vehicles.
What is Facebook doing with its unprecedentedly large network?
They promise to change the world. But how will their development be funded?
A desktop 3-D printer builds plastic objects layer by layer
A toy ball moves under the command of a smart-phone application.
What the TR50 companies have in common.
Tomorrow's breakthroughs will demand the revival of American manufacturing.
A globe studded with cameras captures a panorama if you throw it in the air.
Emulate the methods and values of Apple's late cofounder.