Posted on 01/23/2007 1:38:52 AM PST by Dundee
i always thought it would be cool to develop 360 degree sonar a diver could wear to detect approaching fish
but then constant steady beeps might just guide them in
"i always thought it would be cool to develop 360 degree sonar a diver could wear to detect approaching fish "
Try a night dive if you wanna get your heart going. The only thing you can see is the fish swimming thru your flashlight beam.
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