Using mostly off the shelf hardware, [Marzo] creates a bowl-shaped phased array of ultrasonic transducers driven ... It looks like a lot of fun. Acoustic levitation is nothing new here – we ...

Follow this step-by-step guide to perform accurate acoustic reflex tests. Learn techniques to ensure reliable results.

we addressed how to take advantage of the dual channels found standard on most modern acoustic amps. The concept is to capture body tones with a piezo or body sensor transducer, and get focused ...

The sensor device is the part of the transducer that interacts with and changes in response to the physical world, detecting changes in the measured condition - pressure, temperature, light intensity, ...

Not so, if you use a pair of specialised ultrasonic transducer arrays to move the air instead! (Video, embedded below) Three banks of thrusters provide a 180 degree steerable net force Details are ...