Ultrasonic levitation — the practice of creating a standing wave between two ultrasonic sources and positioning lightweight objects such that they can float in the pressure minimums between them ...

Without any delays, here are the best Phones with Ultrasonic Fingerprint Sensors (March 2025) that make the cut: ...

When two ultrasonic beams of slightly different frequencies overlap—such as 40 kHz and ... His research interests include parametric arrays, active acoustic metamaterials, and topological acoustics.

Drawing from decades of research, Sir Pendry explored how metamaterials challenge the limits of traditional optics and open new possibilities for manipulating light, with applications ranging from ...

In the last few years a new area of research has emerged as a result of our ability to produce materials with entirely novel electromagnetic properties. Known as metamaterials because they take us ...

Dactyl clubs are hammer-like structures located on each side of a mantis shrimp’s body. They store energy in elastic ...

Feb. 21, 2025 — Researchers have investigated how microbubbles tiny gas bubbles can deliver drugs into cells in a targeted manner using ultrasound. For the first time, they have visualized how ...

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