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EntertainmentPrototype of 2,100km/h supersonic passenger plane test flies
The XB-1 prototype of the Overture supersonic airliner completed all testing goals, including reaching an altitude of 2,170m and a speed of 440km/h.Video: The supersonic plane with the speed of over 2,700km / h is about to be tested
The CEO of Boom Supersonic revealed the engines for the new prototype of the supersonic aircraft ready.
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If the sea suddenly disappears, why do hundreds of millions of people have to urgently evacuate?
Why can't humans feel the temperature inside the Earth when it's 6,000 degrees Celsius?
What is the difference between Western eunuchs and Chinese eunuchs?
Secret documents reveal 'unexplained' discovery about Egyptian pyramids
Mothman: Urban Legend or Unknown Creature?
Scientists plan to bring back the Dodo bird, but how exactly will they do it?
How long does it take to reach another star system besides the Solar System?
Finding the origin of 'alien spy ship'
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