Indian-origin teenager creates low-cost 3D-printed robotic arm

A 17-year-old Indian-origin boy has developed a low-cost 3D-printed robotic arm, which is programmed to replicate movements of a human hand -- such as pinching, grabbing or holding a spoon. Nilay......

Recession: Some US cities will be safer

Oct. 13's 937-point surge in the Dow notwithstanding, the economic crisis has left Americans -- even those with no obvious connection to Wall Street -- wondering about their own future. The 401(k)s......