Roborock’s Qrevo Edge can lift itself up and over room transitions and clunky thresholds. Its rivals aren’t far behind.

Chief People Officer Ramachandran Sundararajan said the company’s total headcount stood at 226,379, broadly flat sequentially ...

Environmental Protection Department employs two systems – one for detecting bird species and another for monitoring trees – at Hong Kong Wetland Park.

Purple Mountain Observatory’s nanosecond-accurate system could underpin future lunar navigation, habitats and GPS-style networks.