Ultrasonics or ultrasound is a radar-like system that uses ultrasonic signals at frequencies above those typical for human hearing, usually above 16 to 20 kHz. The 40- to 70-kHz range tends to be most ...

It seems nothing can escape the Internet of Things (IoT). We already see that sensors and data collection are becoming a natural part of our work and consumer environment. In the world of fluid power, ...