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Published online 27 April 2007 | Nature | doi:10.1038/news070423-12
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Robot built to spy on whales
Autonomous device should help protect animals from ships.
An underwater robot that can hear the calls of whales, and so help ships to avoid them, has just been successfully trialled in the Bahamas.
The scheme relies on a torpedo-shaped glider that zig-zags through the ocean.
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