Scramjet launch may mean supersonic travel

A new jet engine crafted to fly seven times the speed of sound is scheduled to launch over Australia on Friday. Hyshot III is a scramjet engine and has has been designed by a British defence firm Qinetiq.

If the first flight is successful, it could pave the way for ultrafast, intercontinental air travel.

The engine will launch on a rocket owned by the University of Queensland.
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