Ultra proceed ? Quick vagabond ultrasound Quick acoustic projection Ultrasounds are sound waves with frequency beyond the human limits, therefrom humans are unable to hear them. It even travels at exactly the same speed as sound in each medium. Humans dirty dog hear sound within the frequency range of about 20 to 20,000 Hz, so any sound above 20 kHz is ultrasound. Ultrasound or ultrasonography is a medical imaging technique that uses full(prenominal) frequency sound waves and their echoes. The technique is similar to the echolocation pass by bats, whales and dolphins, as well as SONAR employ by submarines. Ultrasound has very high frequency vibrations and toilet be used to clean things.
Really dirty dentition plunder be cleaned superbly in this way. Really tame mechanisms, such as in antique clocks and watches, can also be safely cleaned. Ultrasound for scanning is the more or less popular medical use. This is safer than using X-rays. Unborn babies can be seen by moving an ultrasonic transmitter across the carrys stomach...If you want to get a full essay, come about it on our website:
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