How To Hear Halfway Around The World

The video explains how sound travels differently in the ocean compared to air, highlighting an experiment from 1960 where sound traveled from Australia to Bermuda. This phenomenon is due to the SOFAR channel, a layer in the ocean where sound travels the farthest due to varying speeds in different ocean layers. The SOFAR channel is used by whales and humans for long-distance communication and monitoring oceanic changes, such as temperature shifts, which are crucial for understanding the planet's health.

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