Ever wonder what a dog whistle actually sounds like to animals?In this video I use a special microphone, the Sanken CO-100k that can record frequencies up to 100 kHz, way higher than typical ...

To boost their super senses of smell, these humble little creatures might be manipulating nanoparticles with sound.

Well, sort of. Not in the same way you or I might scream. Rather, they emit popping or clicking noises in ultrasonic ...

Even though we are not able to perceive frequencies above ~20 kHz, the nonlinear properties of air make it possible to hear the audio modulated onto an ultrasonic carrier signal. For his sound gun ...

The sound is, as the name implies, ultrasonic — so outside the range of human hearing — but strong enough so that the small, light objects can be positioned and held fixed in mid-air where ...

Some frogs scream so high that humans can't hear it. Lots of frogs around the ... in the Brazilian Atlantic Forest that can scream at an ultrasonic level. Researchers saw small leaf litter frogs ...

The science-fiction horror film franchise from Paramount Pictures is set in a post-apocalyptic world where blind aliens with ultrasonic hearing hunt humans by sound. Any noise – even the slighte ...

The Xiaomi 15 series already employs Goodix's ultrasonic fingerprint sensors, and the OnePlus 13 has been confirmed to be next in line ...

Get expert advice on improvements to your home, including design tips, how much you'd expect to pay for a pro and what to ask ...

Ultrasonic humidifiers use high-frequency sound vibrations outside the human hearing range to expel water droplets into the air as a cool mist. They usually have a small fan to disperse the mist ...