Research center at University of Illinois, specializing in the interaction of ultrasound with biological materials and the development of systems for specific applications ... including hyperthermia treatment and high-intensity surgery.

Manufacture thermal and ultrasonic plastic assembly equipment and accessories. Includes extensive technical information on the use of ultrasonics.

Audio player for MP3 files, CDs, and streaming audio from the Internet. Skins/faces available.

A product development consulting organization that specializes in therapeutic ultrasound devices - Product development from conception thru FDA submissions to market entry.

ndt.net

Supplier of automated ultrasonic and eddy current systems including custom and high temperature probes, standard and custom scanners, automatic flaw detectors, and hole and blockage detectors . United Kingdom .

Underwater Research Lab at Simon Fraser University (SFU) has been researching a new sonar imaging concept called Computed Angle-of-Arrival Transient Imaging (CAATI).

Fans have already embraced new music-distribution technologies. Musicians can fight them or join them. [Salon.com]

Industrial sensors for range finding in air and liquids.

Vibration Analysis located in Burnaby BC. Balancing of rotating machinery and consultation to the Northwest industries.

Basic explanation of the theory behind the workings of a video camcorder. Explanations of theory, formats, manufacturers, FAQ, and How-it-works.

Fourier Synthesis

Manufactures aqueous cleaning and de-fluxing systems, stencil cleaning systems, misprint cleaners, cleanliness testers (ionic contamination testers), and water recyclers.

Ultrasonic Processing "changing materials with high-intensity sound"

Medical ultrasound scanners, couplants and test objects. Non-destructive testing products especially real-time array systems which can be used for rapid manual inspection of large areas. United Kingdom.