By Gemma Simpson, 19 November 2007 15:00
A team of MIT students has come up with a way of using animal dung to power gadgets such as mobile phones.
BioVolt - the team responsible for the poo power - has taken the concept of using biomass to generate electricity and shrunk it to fit inside a handheld device which could be used to charge mobiles.
The prototype device uses organisms to digest biomass - such as animal dung - and convert it to electricity and water in a specialised fuel cell.
Pictured are the BioVolt team with two biofuel cell prototypes.
Photo credit: MIT
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1. Graham Hart
I have a recolection of reading a story in an old copy of 'Wireles World' from over 50 years ago. In those days, cars were required to have a parking light when parked in the road at night. An unlucky person had been prosecuted for powering his parking light from the emissions of the local radio station at Rugby.