The district’s fleet of more than 100 buses is being equipped with stop-arm cameras powered by artificial intelligence to detect violations.

Advances in ultrasound—the same imaging technology that uses sound waves to allow doctors to monitor babies in utero—are being applied by engineers at the University of California San Diego to make ...

The top Bluetooth trackers, Apple's second-gen AirTag and all four Tile models, go head-to-head in our tests to determine which one deserves a spot on your key ring.