South Africa has started testing a shark-repelling electronic cable in Cape Town in a high-tech experiment aimed at protecting swimmers without harming the deadly sea predators.
Researchers at KwaZulu-Natal Sharks Board installed a 100-meter-long cable on Friday in a small bay in Cape Town.
The cable is fixed to the sea floor, with vertical risers supporting electrodes that emit a low-frequency, low-power electronic field that has been proven to repel sharks.
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