Let's Save the Whales Day
From Hackteria Wiki
Yeah! Coming up. the official first world's "Let's Save the Whales Day"
Some notes to prepare the workshop: http://piratepad.net/LetsSaveTheWhalesDay
DIY Selfie-stick
https://source.android.com/devices/accessories/headset/specification.html
Acoustigmatic Whale Caller Circuit
Preparations
Related works
http://hackteria.org/workshops/diy-submarine-exploration-workshop-arte-y-ciencia-en-el-mar-gijon/