Humans can’t naturally produce sounds in the ultrasonic frequency range. Nor could we hear them if we did. That doesn’t mean we can’t echolocate, though—it just means we don’t have quite ...

【Safe to Pets & Humans】 This anti-barking device operates at an ultrasonic frequency range of 20-25KHZ, imperceptible to the human ear, ensuring a peaceful environment. The device's reach ...

Most often ultrasonic transducers are used for distance ... Due to the low 40 kHz carrier frequency, the sound lacks the higher audio frequencies. But as a result of the effort he put into ...

“Metasurfaces are engineered materials that manipulate wave behaviour in ways that natural materials cannot,” said Zhong. “In ...

Discover the ATO ULTRA FREQUENCY SYSTEM, ATO Cast and ATO Sieve for efficient powder metallurgy, enhancing production with ultrasonic technology.