Researchers revealed that this guidance occurs because the sparks heat up the air, which expands and lowers its density. The ...

Researchers in Tokyo have put a new twist on the use of sound to suspend objects in air. They've used ultrasonic standing waves to trap pieces of wood, metal and water – and even move them around.

Itasca, Ill. — Knowles Acoustics introduces an ultrasonic acoustic sensor (UAS) to detect/receive ultrasonic sound in air. The UAS uses the latest micro-electromechanical (MEMS) technology to provide ...

Building on the Datasea’s advanced acoustic intelligence technology, the Ultrasonic Sound Air Disinfection Equipment was launched with the aim of setting the benchmark for the industry, tackling ...

BEIJING, Aug. 25, 2022 (GLOBE NEWSWIRE) -- Datasea Inc., (NASDAQ: DTSS) ("Datasea" or the "Company"), incorporated in Nevada on September 2014, is a digital technology corporation engaged in three ...

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 ...

Ultrasonic bushcrickets could be using a similar method to communicate as that used by whales, according to newly published research. Dr Fernando Montealegre-Zapata, and his student Fabio Sarria-S ...

Takayuki Iwamoto and colleagues from the University of Tokyo have now demonstrated a simple haptic device that employs a number of ultrasonic transducers, which emit ultrasound. Sound is a pressure ...

It’s my understanding, however, that if the air molecules are indeed being excited, that actually is producing the pressure waves we know as sound, and those waves will propagate normally ...

There's been a lot of buzz about a new treatment for the face that works to firm and lift the skin. No surgery, no needles, and no downtime. Health Reporter Stephanie Stahl is On Your Side with ...

BEIJING, Oct. 04, 2022 (GLOBE NEWSWIRE) -- Datasea Inc., (NASDAQ: DTSS) ("Datasea" or the "Company"), incorporated in Nevada on September 2014, is a digital technology corporation engaged in three ...