Diagram showing the natural motor of bacteria
Ramon Andrade 3DCIENCIA/Science Photo Library
A living motor made from different parts of a bacterium is one of the smallest ever created and could one day power small robots.
Many types of bacteria are propelled by natural motors that rotate tail-like flagella. These rotating pumps, known as stators, are among the world's oldest and smallest wheels and are thought to have evolved billions of years ago.
All bacterial species are equipped with this type of pump…
Source: www.newscientist.com
