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MrPlow [soylentnews.org] writes:

Submitted via IRC for takyon

​The RTR turborocket combines the best of both rockets and jets to enable faster, higher flying aircraft.​​

Source: http://www.popularmechanics.com/flight/a19229/how-a-new-engine-could-revolutionize-air-and-space-travel/ [popularmechanics.com]

Original Submission