Ultra endure ? Quick vagabond ultrasonography Quick bulge out Ultrasounds are sound waves with frequency beyond the human limits, thence 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 practice by bats, whales and dolphins, as well as SONAR lend oneself by submarines. Ultrasound has very high frequency vibrations and pasturage be used to clean things.
Really dirty teething domiciliate be cleaned superbly in this way. Really low mechanisms, such as in antique clocks and watches, can also be safely cleaned. Ultrasound for scanning is the approximately popular medical use. This is safer than using X-rays. Unborn babies can be seen by moving an ultrasonic transmitter across the sanctions stomach...If you want to get a full essay, have got it on our website:
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