How a Quartz Watch Works

In this video, the “engineer guy” from the University of Illinois takes apart a cheap quartz watch and shows how the piezoelectric effect lies at the heart of its operation.

NASA Langley recognized for advancing helicopter research

NASA Administrator Charles Bolden was at NASA’s Langley Research Center, Hampton, Va., on May 8 to participate in a ceremony recognizing Langley’s decades of contributions to improving helicopters and other vertical flight aircraft.