Head held high, his large dark eyes sparkling, J.R. holds court in the middle of a crowded room. As the flashbulbs pop and his fans "ooh" and "aaah" over his charm and good looks, J.R. prances around ...

Designing a robotic arm to handle 50-lb packages of talc powder was an engineer's nightmare. The system had to be flexible, compact, lightweight, and able to withstand harsh operating conditions.

We may receive a commission on purchases made from links. Welding leaves behind more than just a strong joint -- it also leaves a lot of mess. To clean it up, many welders reach for a chipping hammer ...