The author, modeling her mother's watch. Laura Sydell/NPR hide caption

Intel Corp. co-founder Gordon Moore holds up a silicon wafer at Intel headquarters in Santa Clara, Calif., in 2005. Moore's prediction 50 years earlier, called Moore's Law, has been the basis for the digital revolution. Paul Sakuma/AP hide caption

Zynga CEO Mark Pincus gives a presentation in 2011. Jeff Chiu/AP hide caption

Artists in the residency program at Autodesk are given access to production-quality equipment in workshops, allowing them space to create at-will. Blake Marvin/Courtesy of Autodesk hide caption

DAR-1 is one of the many social robots with facial recognition abilities on display for the robot petting zoo at the South by Southwest interactive festival. Jack Plunkett/AP hide caption

MindMaze Software Engineer Nicolas Bourdaud demonstrates a virtual reality system at the Game Developers Conference in San Francisco on Tuesday. Josh Edelson/AFP/Getty Images hide caption

Operators at a Bell System telephone switchboard, as photographed by the Department of Labor Women's Bureau. U.S. National Archives hide caption

A staff member from DJI Technology Co. demonstrates a drone in Shenzhen, in southern China's Guangdong province. A new website lets people request that drones stay away from their property. Kin Cheung/AP hide caption

In a project called "Natural Frequencies," the bells in the Campanile on the University of California, Berkeley campus were recently programmed to play a score composed in real time by the seismic shifts taking place along the Hayward fault. Eric Risberg/AP hide caption

Zarine Khan (right) and Shafi Khan, parents of Mohammed Hamzah Khan, speak to reporters in Chicago Oct. 9 after a federal hearing for their 19-year-old son, accused of trying to join Islamic State militants in Syria. Charles Rex Arbogast/AP hide caption