
First isolated in a riverbed in 1987 and quickly recognised for the potential as an agent of
bioremediation for their affinity for heavy metals that are otherwise toxic to microbes (
see also), geobacter excrete electrons as by-products of their metabolism. In collaboration with the University of Ghent, Dutch designer Teresa van Dongen has created—as a demonstration project—lamps (though the frame of the piece is more reminiscent of the body of a virus rather multiplying proteobacteria)
powered by this singular bacterial discharge, quartering a colony in a battery where it can thrive—
recharged on a weekly basis with a drink of tap water cut with vinegar.