Will the wonders of 3D printing ever cease? With each passing day, something revolutionary seems to come off the machine's printing bed, be it a life-size Ultron helmet (OK, maybe that's not revolutionary), a prosthetic shell for a tortoise or a Shelby Cobra sports car. This time, it's more than 1,000 airplane parts for the Airbus A350 XWB jet.

The Federal Aviation Administration is so slow to approve drone permits that the aircraft become obsolete while waiting, an Amazon executive told a Senate panel last week.

A combination of rebounding sales and an unprecedented number of new models in the works has stretched the auto parts supply chain so taut that the entire industry is holding its collective breath that it does not snap and jeopardize the recovery.