It's cliché to describe something very noisy as "louder than a jet engine." But supersonic jet engines, like those powering fighters flown by the U.S. military, are so much louder than regular jet engines that scientists have a special term for their sound—"broadband shock-associated noise."
from General Physics News - Science News, Physics News, Physics, Material Sciences, Science https://ift.tt/2Cwxd0e
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