Jul 29, 2025 · Combining ultrasonic waves to create audible sound is something we’ve seen show up in different ways, like using an array of transducers to focus sound like a laser beam.

Mar 5, 2025 · The speaker itself is an array of in-phase ultrasonic transducers, and she demonstrates the result on her audience. This project is surprisingly simple, should you wish …

Nov 24, 2025 · Taking apart an ultrasonic cleaner revealed a very large element, but mounting it to a small blade would be a problem. The next stop was an ultrasonic toothbrush.

Apr 30, 2020 · Of course one could just use headphones. But a hackier way would be to build a parametric speaker that focuses soundwaves into a narrow beam like [Shane] did with this …

Jan 30, 2023 · While ultrasonic cleaning might sound a bit like the “sonic shower” from Star Trek, this is actually one case where the futuristic-sounding technology predates its use in Sci-Fi.

Dec 6, 2024 · Initial experiments centered around the ubiquitous dual-transducer ultrasonic modules used in all sorts of ranging and detection project, with some slight modifications to tap …

Mar 21, 2025 · This is where ultrasonic food processing comes in. Ultrasonic cutting blades exist for one primary reason—they enable the cutting of all kinds of different foods without sticking, …

Apr 3, 2025 · Among the obvious differences are that the ultrasonic cleaner is made out of metal and AC-powered, and does a much better job at cleaning things like rusty parts.

Nov 16, 2025 · Just about every “getting started with microcontrollers” kit, Arduino or otherwise, includes an ultrasonic distance sensor module.

Jun 1, 2024 · Ultrasonic sensors detect objects like sonar — they send sound pulses and measure the time it takes for the signal to bounce off the object and come back.