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RE: Air-gen; Microbes Producing pure, Renewable, non-polluting and cheap Electricity
From the post, It is a combination of biology and engineering.
7 micrometer thick nanowire rests on an electrode. A smaller electrode covers the other part of the nanowire on top. The micro films absorb water vapor which is always present in the air. A combination of surface chemistry and electrical conductivity of the protein nanowires establishes the condition to generate an electric current between the two electrodes.
Geobacter is known as a type of bacteria that is able to conduct levels of electricity, and the species G. sulfurreducens is also known as “electricigens” due to their ability to create an electric current and produce electricity. - wikipedia
You know science and technology is greatly used together on several occasions.