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From the MAKE Flickr photo pool:

Pico Hydroelectric Generator in 5 gallon bucket developed by Sam Redfield and tested at La Florida in Guatemala. The generator is meant to be a very small, cheap, low impact generator designed to be used with existing gravity fed irrigation, fresh water, or waste water systems.

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of a dozen books on technology, DIY, and geek culture, including the first book about the web (Mosaic Quick Tour) and the Absolute Beginner’s Guide to Building Robots. He is currently working on a best-of collection of his writing, called Borg Like Me.


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