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Propellers and bubbles to keep the carp out?

Edem Tsikata of Boston, Mass., accepts the grand prize at the Carp Tank from Gov. Rick Snyder, David Lodge, Jeff DeBoer and Dr. Denice Shaw.

Carp Tank winner’s “Cavitation Barrier to Deter Asian Carp” would utilize a row of specially designed propellers to generate a wall of cavitation bubbles that implode and emit high-speed jets of water. The painful sensation of the bubbles along with the noise of the propellers would repel fish and prevent their passage beyond the bubble barrier.

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