Our hearing picks up a limited range of sounds, limits that were used successfully to keep teenagers from congregating outside British grocery stores by a device called the “teenage sound repeller." ...

There are few things cooler than the way in which scientists are able to get objects to levitate above the ground. But while many of the recent levitating technologies we’ve seen involve ...

Benjamin J. Eggleton receives funding from the Australian Research Council, the NSW Government and the US Air-force Office of Scientific Research. Birgit Stiller and Moritz Merklein do not work for, ...

Founded in 1921, Society for Science & the Public's mission is to advance public understanding and appreciation of scienceamong people of all ages through publications and educational programs. A ...

Why does feedback between a microphone and speaker generate a high-pitched noise, and not a low one? • Sounds can be viewed as combinations of sine waves of different frequencies. The Barkhausen ...

Sounds that are lower pitched are less studied than other types. Some say it’s a health hazard. Others have doubts. By Lourdes Medrano/Undark Published Apr 17, 2024 8:00 AM EDT This article was ...

TAMPA (WFLA) – For many who spend time in downtown Tampa a high pitch sound is proving to be a nagging nuisance. It’s bouncing off the buildings and confusing many as to what’s making the noise and ...