But do these devices actually work? Ultrasonic pest repellers are devices that plug into an electrical outlet and, theoretically, emit a sound well outside of the frequency detectable by human ears.

If you're ready to sound the silent alarm and drive pesky invaders out of your house, then here's your chance to get a two-pack of Ultrasonic 360° Plug-in Pest Repellers on sale for $19.99 (reg.

Different frequencies repel different animals 5-Mode Animal Repeller for Choosing: The raccoon deterrent has 5-level to adjust, Level-1: Ultrasonic horn alarm sound drive, Level-2: The ultrasonic ...

Scientists have debated the purpose of the ultrasonic vocalizations (USVs) produced by rodents since the discovery of these sounds in the 1950s. There’s a wide research consensus suggesting USVs are a ...

For decades, scientists believed that mice used ultrasonic vocalizations (USVs ... might one day manipulate nanoparticles using just sound. The life of a mouse isn’t an easy one.

A specialist in the biology of sound has made an incredible observation about the "Jedi" smell-powers of mice and rats. While depicted in cartoons and films as being squeaking little menaces, the ...

Ultrasonic pest repellents, such as Haycone Indoor Ultrasonic Repellent from Amazon emit sound waves at frequencies higher than what humans can hear, typically above 20 kHz. According to Nicole ...