Hear Fish talk & Whales sing How to make low cost Hydrophone

video://www.youtube.com/watch?v=3b7Ak4lOadM

Here’s a cool little kit you can make to hear fish and whales talk and sing!
You can buy the kits on ebay.

via http://zedomax.com/image/icon/make.jpg

2 Responses to Hear Fish talk & Whales sing How to make low cost Hydrophone

  1. girrrrrrr2 says:

    cool… but how far can it hear???

  2. Izl says:

    And what does it sound like

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