The disadvantage, however, is that high-frequency waves are extremely sensitive to rain, even drizzle.

Animals sometimes sense high-frequency waves from earthquakes before people do, and their behavior might offer clues to predicting quakes.

The high-frequency wave sent by the tower is modulated with a signal containing visual or audio information.

The high-frequency waves resonated through both vessels.

As the high-frequency waves travel through the body tissues between the condensers or the coils, they are converted into heat.

The motion is analogous to high-frequency waves that are invisible to the human eye, such as electromagnetic waves on a transmission line.

"There's no radiation involved with ultrasounds, just high-frequency waves," Dr. Yeni-Komshian said.

Scientists are also looking to apply terahertz technology in the armed forces, where high-frequency waves might be directed at enemy troops to incapacitate their electronic equipment.

The receiver is then tuned so as to pick up the high-frequency wave and a demodulator is used to retrieve the signal containing the visual or audio information.

If nanomanufacturing comes of age, something as tiny as a nanodrum or nanoharp might be mass-produced for use as extremely sensitive detectors for ultra high-frequency waves.

Simply stated in terms of the material of greatest engineering significance, most of the high-frequency wave energy that propagates long distances in steel plates is traveling at 3000-3300 m/s.

The radar-seeker scanned the pie-shaped wedge of earth in front of the missile, the high-frequency waves able to make out the difference between the structure of a crane and the mast of a ship.

In this case the high-frequency waves pass through the medium, are reflected off the specimen and then bounce back up the sapphire rod to the transducer, which converts the returning sound into an electrical signal.

In 1921 in Tuckerton, New Jersey, USA for the generation of high-frequency waves for local radio station has been set an alternator developed by Goldschmidt, which was removed from service only in 1948.

They had not heard the high-frequency waves that the subauditory projectors hidden behind the speaker grills emitted, nor felt the deadly pulsations of energy that would kill them within the space of forty-eight hours from massive internal hemorrhaging.