Ultrasonic waves can help clean items around your home, but which products are best? Here are 12 types of tools that leverage ...

When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described ...

Researchers at the University of Bristol have been able to levitate objects using ultrasonic waves larger than the wavelengths of sound used by the device. This could enable touchless control of drug ...

Scientists in Finland transmitted electricity through air using sound waves, lasers, and radio frequencies, creating ...

The use of ultrasonic noise — silent to the human ear — in mobile payments and rewards hasn't garnered as much attention as Near Field Communication chips and QR codes, but there are a few successful ...

An ultrasonic range finder is a useful tool in a variety of real-life and robotic applications, such as in obstacle-avoidance and distance-measurement systems. The ultrasonic range finder measures the ...

New technologies for mobile devices may use ultrasonic sound waves, and these devices have varying effects on different subsets of the population. Regulation of these technologies is in many ways 'the ...

A unique ultrasonic bracelet has been created which is capable of jamming microphones in smart speakers when in close proximity. The wearable microphone jammer has been designed to exploit a synergy ...

Although ultrasonic sensors have been around for several decades, their popularity in sensing applications continues due to their capability, flexibility and relatively low cost. Products like ...

Attack uses ultrasonic sound waves to disrupt HHD read/write operations, which could lead to a system crash. Using sonic and ultrasonic soundwaves as a weapon, researchers can disrupt the read, write ...

Smart speakers and other microphone-equipped devices aren't supposed to listen all the time, but there might be a solution if you aren't willing to take any chances. University of Chicago researchers ...