CHENGDU -- An independently-developed Chinese hydrogen-powered drone has recently completed a 30-hour non-stop flight, a new ...

China’s latest medium-to-high altitude, long-endurance drone – during a public flight trial at an airfield in northern Shaanxi. The televised segment, which was part of a broader programme on ...

Especially with high rises in places like New York and ... Fraietta and his rivals also developing affordable systems that can track a drone’s flight patterns and integrate with smart-home ...