The frequency or pitch used in ultrasonic testing far exceeds the limits of human hearing, and can range from 500 KHz to 20 MHz. An ultrasound transducer connected to a diagnostic machine is waved ...

Butterfly iQ is a small imaging machine for ultrasounds compatible with iPhones. With the right device, it appears the iPhone can even detect cancer. $3,500 iPhone possible?

Topics Covered: Background. Dye Penetrant. Magnetic Particle. Ultrasonic. Radiography. Electromagnetic Methods. Background: During manufacture and assembly of products, there is a wide range of ...

A University of Alberta professor is testing a new portable ultrasound machine that he says could drastically reduce emergency room wait times. Abhilash Hareendranathan, assistant professor in the ...