A research team has developed the world's first high-performance photoacoustic endoscopy based on a transparent ultrasonic transducer. Their findings were recently published in the journal Science ...

Ultrasonic levitation is by now a familiar trick: one or more ultrasonic transducers create a standing wave, and small objects can be held in the nodes of this standing wave. With a sufficiently large ...

In addition to providing guided fishing trips, I also conduct on-the-water sonar training sessions for owners of Lowrance, Humminbird and Garmin sonar units. Having done this for many years now, I ...