When San Diego County replaced its aging women’s jail in Santee more than a decade ago, officials leaned toward an emerging ...

When your car air conditioning blows hot air, the system is failing at one of three jobs: moving refrigerant, shedding h ...

A viral video shows a $5,000 robot effortlessly clearing snow during a winter storm. We dive into how the Yarbo autonomous snow blower works, its limits, and why it has millions rethinking the worst ...