[BIGLOOK]

The researchers start with a cup full of water from a pond or other natural source. Among the millions of microbes in the sample, some of the bacteria (scientists haven't identified the specific species) will naturally produce electrons and protons inside their cells and transport them outside themselves.

And we have a winner!......ping

[neverdem]

thanks, bfl

[SunkenCiv]

Whoops, and thanks BIGLOOK.

Chlamydomonas reinhardtii

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[neverdem]

bump & a micro ping

A New Method for Water Desalination Using Microbial Desalination Cells

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4 more articles from Logan et al. in 2009 using the microbial fuel cell concept for useful work or fuel.