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carolinacoastonline.com37 分钟
Marines to conduct unmanned systems operations near Atlantic
Unmanned aerial systems (UAS) operations will be conducted aboard Marine Corps Outlying Field Atlantic from 9 a.m. to 3 p.m., ...
Houthi rebels have shot down seven U.S. Reaper drones worth $200 million in recent weeks
Houthi rebels in Yemen have shot down seven U.S. Reaper drones in less than six weeks, a loss of aircraft worth more than ...
Interesting Engineering on MSN23 分钟
80% more energy: Powerful US electric aircraft battery hits 450 Wh/kg energy density
The lithium-ion battery, produced by Amprius, uses a silicon anode instead of graphite and has potential for mass production.