Ultrasonic transducers are incredible, with them you can detect distances, as well as levitate and peer through objects. They can emit and receive ultrasonic soundwaves (typically above 18khz) and ...
In laboratories from Brazil to Munich, researchers are learning to grab matter with sound alone, sculpting ultrasonic waves ...
In the new device, an array of 256 speakers, each about 1 centimeter wide, faces another, identical speaker array across a distance of 23 centimeters. The speakers emit sound waves at frequencies too ...
RAILWAY AGE MARCH 2022 ISSUE: Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic that professionals in the railway industry have asked to learn more ...
In the perhaps not so distant future, surgeons could perform a range of medical procedures all without touching the patient. Surgeons won't be shrunk and sent into the body like in the 1960s Sci-Fi, ...
The UK’s LettUs Grow has developed a unique method of growing plants with sound and water aimed at boosting sustainable production in horticulture. The Bristol-based company supplies vertical farm ...
These are the type of flow meters that measure the velocity of liquid or gas by using the principle of ultrasound or sounds waves. Fast digital signal processors and sophisticated signal analysis ...
It is an established fact that human beings observe what and where something is happening around them using their sense of hearing. Humans, however, have a limited range of hearing and can perceive ...
Detecting objects underwater isn’t an easy challenge, especially when things get murky and dark. Radio waves don’t propagate well, so most techniques rely on sound. Sonar is itself farily simple, ...