The Dyson Purifier Hot + Cool AM09 is now 36% off! It offers top notch heating and state of the art design. Jet Focus control ...
Interesting Engineering on MSN19h
China’s supersonic jet C949 targets 50% range increase over Concorde, 95% less soundChina has introduced the Comac C949, a supersonic jet designed for efficiency and reduced noise, with a range 50% longer than the Concorde.
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