Rebecca Torchia is a web editor for EdTech: Focus on K–12. Previously, she has produced podcasts and written for several publications in Maryland, Washington, D.C., and her hometown of Pittsburgh.

Richard Nieva was a senior reporter for CNET News, focusing on Google and Yahoo. He previously worked for PandoDaily and Fortune Magazine, and his writing has appeared in The New York Times, on ...

“Mr. Bycraft, our robot goes backward!” my students informed me, running over after their latest test. “Is it supposed to go that way?” I asked, smiling. “No!” they said in unison, smiling back. “Well ...