Scientists have developed a technology that allows you to extract energy from the random motion of bacteria. Article researchers have not yet published in a peer reviewed journal, but its preprint available at arXiv.org.
The object of interest of authors have bacteria Escherichia coli, which can move independently in a liquid medium, using a flagellum. The idea of the researchers was this: if you put in a jar of bacteria, such as gears, then the microorganisms will be able to rotate it, striking the teeth. In this scheme, there is one fundamental flaw: the bacterial cells floating in the vessel uniformly in all directions, so they will rotate the gear wheel in both directions and the resulting torque will be zero.
19 October 2009 | bacterium, energy, interest, journal, movement, research, technology, website, wednesday
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