Eli5: what is ultrasound and what makes it “ultra”
In: 4
You’re aware of high pitch sounds and low pitch sounds.
A soprano singer can sing at a high pitch, and a base singer at a low pitch.
You’re also aware that we can only hear up to a certain pitch.
If a pitch goes even higher, than we can hear, it becomes ultra-sound.
It is simply an extremely high pitched sound, beyond the ability of the human ear to recognize.
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