A "huge explosion sound" was heard over Norwich this afternoon - with many people believing it was a sonic boom. The loud bang was heard over the city centre at around 4.30pm on Monday. It came while ...
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US tests $600 million ‘silent’ supersonic jet in bid to rewrite air travel
The Quesst mission and a “silent” boom The X-59 sits at the center of NASA’s Quest mission, short for quiet supersonic ...
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