In an effort to prevent train accidents on a new $2.3-billion, 10-mile-long extension line in San Francisco, the Berryessa-Valley Transportation Authority/Bay Area Rapid Transit (BART) team is installing a railroad intrusion-detection system (RIDS) that uses warning devices originally developed for protecting shipping ports from break-ins.

Software that can show a video of a construction project assembling itself has been around for years, but an important change is afoot, say a wide range of industry leaders.

Adrenaline is running high as you snake your way through the top-secret research facility.

Researchers from the University of California at Berkeley and Harvard University have developed a working prototype of a robot that realigns its body to maneuver through tiny cracks to gather data.