Interesting Engineering on MSN8 小时
Hypersonic drones that soar at 5 times the speed of sound planned by US firms
The firms intend to present affordable UAS capabilities to the US which will allow the country to boost its stockpile of hypersonic drones.
Interesting Engineering on MSN5 小时
US engineers 3D-print tiny coin-sized engines to steer small satellites in space
This 3D printing technology could allow astronauts to manufacture satellite engines in space, eliminating the need for Earth-based launches.