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The Clever Buoy emits sonar into the surrounding water, and a processor in the buoy analyzes the signals, searching for shark-like signatures.

Watch: Engineering Update #65: A shark-detecting buoy

The device is able to distinguish between sharks and friendlier animals like dolphins by analyzing how the object moves through the water.

The buoy could then transmit an alert via satellite to the nearest lifeguard, who could then alert swimmers.

 

 

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