University of Cincinnati engineers are working on new jet engine nozzles to reduce noise while maintaining performance.

Sir Keir Starmer and Rachel Reeves, the Chancellor, are shown a heat pump. The units can produce a low hum of between 40 and 60 decibels - Jonathan Brady/PA Wire Noise restrictions on heat pumps are ...

PORTLAND, Ore. — If you live near a downhill section of freeway, you've no doubt heard that staccato-like rumbling of big semis trying to slow down. It reverberates through nearby neighborhoods like ...

The proposal comes after years of monitoring the decibel levels of vehicles in the area. That data led officials to determine that most modern off-highway vehicles can’t realistically meet the current ...