Undersea Spies.
Turning Sharks into Robotic Sentries.
By Chris Berdik.
It seems like science fiction, but the U.S. military would like to use
sharks as underwater spies. The folks at the Defense Advanced Research
Projects Agency (DARPA), who dream up the future of weapons and military
systems, envision squads of sharks prowling the oceans with sensors that
could transmit evidence of explosives or other threats.
The military use of marine animals isn’t new. For decades, the navy has
used dolphins and sea lions to patrol harbors, salvage expensive
hardware, and locate potential sea mines. Indeed, mounting chemical,
auditory, or visual sensors on a shark is the easy part. The challenge
is finding a way to steer sharks over long distances. Over millions of
years, sharks have evolved to pursue one particular target of
opportunity — lunch — and military commanders would need a way to
override that instinct in order to dispatch their shark spies to areas
of strategic interest.
more...
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