Scientists have discovered that common bacteria can turn into micro-gears hundreds of times larger than itself when suspended in a solution. This provides insight into bio-inspired dynamically adaptive materials for energy. The ability to harness and control the power of bacterial motions is an important requirement for further developing hybrid bio-mechanical systems driven by micro-organisms. A few hundred bacteria are working together in order to turn the gear. The speed at which the gears turn can also be controlled through the manipulation of oxygen in the suspended liquid.
Reference: Science Daily
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