“Anytime you have a sharp sound exceeding 140 decibels, there is a non-negligible risk of hearing loss,” he said. The sonic boom from the October Starship launch measured up to 146 decibels in ...

If NASA’s bet on its newest X-plane pays off, the long-nosed aircraft could revolutionize commercial aviation. That is, if ...

The result, he says, is a shaped sonic boom that is 20 to 25 decibels lower than the Concorde. "Because you've taken out the higher frequencies and lowered the sound pressure in general somewhat ...