来自MSN13 小时
Solar Powered Aircraft Achieves New Stratospheric Success
A British-led team of engineers has taken a leap forward in the race to harness the stratosphere for earth observation and ...
essanews.com on MSN3 小时
Bae's solar drone achieves 24-hour flight milestone
The British team of engineers leading the PHASA-35 unmanned aircraft project, developed by BAE Systems, has achieved a ...