Sentences with phrase «frequency noise generators»
Researchers are working on high - frequency noise generators that would be audible to bats and drive them away from wind turbines, ultraviolet lights to illuminate towers and repel bats, and behavioral studies that would help the industry fine - tune when it should feather turbines.
https://news.nationalgeographic.com/ Not exact matches
Residents of Waubra, a town near Victoria's biggest wind generator, recently complained that low - frequency noise was causing headaches and earaches.