Ultrasound
This is an old revision of this page, as edited by Bayes (talk | contribs) at 23:31, July 30, 2007. It may differ significantly from current revision.
Ultrasound is sound composed of frequencies in excess of 20,000 Hertz (20 kHz). Ultrasound falls outside the range of normal human hearing ability.
Applications
Ultrasound has a variety of applications, including
- Non-destructive testing (NDT) and non-destructive evaluation (NDE) of materials
- Medical imaging and tissue characterization
- Range finding (sonar)
- Cleaning