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News Link • Science, Medicine and Technology

The Physics of Sound: How and Why Sound Heals

• arclein

Our range of hearing extends from around 16 Hz to around 16,000 Hz (or sometimes higher- young children, for example, can hear upwards of 18,000 Hz or more). However, just because we can't hear something doesn't mean a sound isn't being created. As an example, our friends in the ocean, the dolphins, can project and receive frequencies upwards of 180,000 Hz-that's more than ten times our best range of hearing.

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