At the recent Hacker Hotel conference in the Netherlands, she presented an ultrasonic parametric speaker. It projects an extremely narrow beam of sound over a significant distance, but it’s not ...

At the recent Hacker Hotel conference in the Netherlands, she presented an ultrasonic parametric speaker. It projects an extremely narrow beam of sound over a significant distance, but it’s not ...

This non-invasive technology has revolutionized diagnostics and patient care. Animals and Ultrasonic CommunicationWhile humans remain oblivious to ultrasonic frequencies, many animals have evolved ...