Researchers find bright lights on objects in water can deter great white shark attacks.

Laura Ryan, a researcher at Macquarie University, has discovered that illuminating the underside of objects in water can deter great white sharks from attacking by altering their silhouette. Based on over 500 hours of testing seal-shaped decoys in South Africa, the brightest lights proved most effective, reducing shark incidents. The team is developing a lighting array prototype to protect surfers and swimmers. The findings suggest this method could be a non-invasive way to prevent shark attacks.

November 11, 2024
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