Apple could use ultrasonic sound waves to deliver haptic feedback to wearers of its upcoming AR/VR headset when they interact with virtual objects. Most consumer AR/VR headsets do not provide haptic ...

Scientists in Finland transmitted electricity through air using sound waves, lasers, and radio frequencies, creating “acoustic wires” that could revolutionize homes, industry and IoT devices without ...

The range of materials that concrete contains, such as stone, chalk, and sand, scatters normal sound waves, making clear ...

The range of materials that concrete contains scatters normal sound waves, making clear imaging difficult to obtain.

Concrete structures like roads and bridges require nondestructive testing methods to identify interior defects without ...

Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...

Washington University Researchers have discovered that voice assistant programs like Siri can be hacked with ultrasonic sound waves that go undetected by human ears - but you probably won't have to ...

Israel-based Sonarax have launched a contact-tracing app that works using sound waves, which provide greater accuracy than Bluetooth-based RF waves. (Photo by Viola Kam/SOPA Images/LightRocket via ...

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

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 ...