It uses sound waves to produce heat in the tissues of the shoulder.

In their early stages, the waves produce the kind of slopes that surfers dream about.

When they strike the ear, these waves produce the sensation of sound.

This is important because two waves of different frequencies do not produce a stable interference pattern.

Ultrasound uses sound waves to produce heat in the tissues of the body for pain relief.

The cold wave, which began in December 1977, produced one of the coldest winters on record.

In general groundswell produces waves that are much better for surfing.

He can't make his waves react and produce sulphuric acid.

Any such direct detection is complicated by the extraordinarily small effect the waves would produce on a detector.

Almost everywhere else in Bernstein's legacy, too, the current wave of activity will soon produce tangible results.