Imagine being able to listen to music or other audio that no one else can hear, without having to wear headphones. Doing so ...

Ultrasonic levitation — the practice of ... There was some work in adjusting the frequency to the transducer resonance, but that’s not a huge challenge given the right instrumentation.

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

Institute of Microelectronics (IME), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-02, Singapore 138634, Republic of Singapore ...