Embed <iframe src="https://www.npr.org/player/embed/1829839/1829840" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player"> NPR's ...
A revolutionary jet engine flew faster than seven times the speed of sound in a high altitude test over the Pacific at the weekend, breaking the world speed record for an atmospheric engine. NASA's ...
Today scramjet propulsion is the subject of continued study, as it appears to be one of the most promising methods of powering hypersonic weapons and aircraft. So, you may be surprised to learn that ...
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