Protecting bathers with a short shark shock

Conghlan, Andy
October 1991
New Scientist;10/26/91, Vol. 132 Issue 1792, p27
Reports that Eddie Smith of the University of Pretoria in South Africa has developed an electrical system which repels sharks. Use of harmless invisible electric barriers to keep sharks away from holiday beaches; Smith's establishment of fields that would repel dangerous sharks; Concern on the difficulty of persuading people to bathe in shark-infested waters protected by an invisible barrier.


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