What do bats, dolphins, shrews, and whales have in common? Echolocation! Echolocation is the ability to use sound to navigate. Many animals, and even some humans, are able to use sounds in order to ...

If you’re already worried about ads tracking your online whereabouts, here’s a new thing to freak out over: cross-device tracking that communicates using high-pitched audio frequencies. As reported by ...

From factory automation to healthcare, ultrasonic sensors enable precise monitoring of distance, depth, and fluid levels.

Ultrasound close ultrasoundSound with a frequency greater than 20,000 Hz (20 kHz). waves have a frequency higher than the upper limit for human hearing – above 20,000 Hertz (Hz). Different species of ...

It is well known that whole-body exposure to high frequency ultrasound increases brain activity in humans. However, little is known about its impact and associated mechanisms on emotional states like ...

A team of scientists at Tel Aviv University have discovered that some plants emit a high frequency distress sound when they undergo environmental stress. The researchers tested tomato plants and ...