
BUILD A HYDROPHONE!
Build your own hydrophone - an underwater microphone that can detect sound waves under water. Listen to the calls of marine animals, boat traffic, or if your pool is leaking. It can be used at your local fishing hole, a river, lake or even an ocean.

ABOUT THE KIT
* Comes with everything you need to listen to sounds underwater or on land.
* Assemble and use in under one hour.
* Electronics experience not required.

THE ADVENTURE
* At Home! Use the underwater and land mic around the house. Record what you hear.
* At the shore! Listen to the underwater bio-acoustics of water birds, fish and other animals.

SHAH SELBE
*National Geographic Fellow.
* Former Spacecraft Propulsion Engineer at Boeing.
* Ocean Conservation Technologist.
*Leader at Engineers Without Borders.
Shah recording in the Kavango River
Rips listening to fish in the LA River