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this post was submitted on 22 Oct 2023
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Yes. Industrial grade ultrasonic sensors are harmful to your health. They can be used, for example, to measure the water level in a tank. If you need to enter a place like that, you should physically disconnect the sensor first. You might not hear much of the noise, but you may feel it in your teeth or some other places.
Weren't there some huge high power sonars that could melt people to goo?
Yep, and hurt whales from the pressure.
Oh, so not all bad then