Researchers at UNSW Sydney have developed an ultrasonic brewing method that makes espresso-strength coffee with room-temperature water, cutting energy consumption by up to 75%, and 100 blind ...

The humble morning brew may be on the brink of a revolution, with researchers harnessing ultrasonic sound waves to make ...

Humanoid robots may soon gain more human-like dexterity thanks to a new wearable device ...

Most of us think of espresso as a hot, high-pressure ritual. Finely ground coffee goes into a machine, boiling water is ...

With the invention of the dynamic driver speaker celebrating 100 years, it’s an opportune moment to reflect on this widely recognized, coil-based transducer that delivers sound in almost all TWS ...

There are plenty of ways to get sound into your house: good old fashioned headphones, the Dolby surround setup we all lusted ...

Ultrasound-based water purification could serve as an alternative, eco-friendly way to treat water without using chemicals 'We have millions of people dying from contaminated water in catastrophic ...

Conventional speakers work by moving air around to create sound, but tiny speakers that use ultrasonic frequencies to create pressure and generate sound opens some new doors, especially in terms of ...

Ultrasound close ultrasoundSound with a frequency greater than 20,000 Hz (20 kHz). waves have a frequency higher than the upper limit for human hearing – above 20,000 Hertz (Hz). Different species of ...