Here are five creatures with superior hearing abilities that can detect and interpret ultrasonic frequencies: Dogs can hear ...

But a hackier way would be to build a parametric speaker that focuses soundwaves into a narrow beam like [Shane] did with this ultrasonic sound gun. As the directivity of a soundwave depends on ...

Researchers have developed a new technique to make glass water-repellent, a feature that could improve safety in vehicles, ...

While it’s not radar, subbing in ultrasonic sensors is how [Dzl] built ... resultant echoes down in the human-audible range; they sound more like honks than pings, but it’s still pretty ...

Researchers have developed a new technique to make glass water-repellent, a feature that could improve safety in vehicles, reduce cleaning costs for buildings and enhance filtration systems. The ...

In a laboratory at Curtin University in Australia, researchers have stumbled upon what might seem like a magical ...

Ultrasonic sound makes waves that vibrate so quickly that only animals with especially sensitive hearing can pick them up. Mice and rats communicate with each other using ultrasound. These baby ...

Curtin University researchers have developed a new technique to make glass water-repellent, a feature that could improve safety in vehicles, reduce cleaning costs for buildings and enhance filtration ...