It seems like we are finally reaching the fun stage in nanotechnology. Some Japanese scientists have invented a nano motor that is driven by bacteria! The little creatures are sliding along and are pushing the motor, just like the old hamster wheel.
It is funny, as the bacterium in question is called mycobacterium mobile, which can move at a fast 5 micrometers per second; if you think about its size: it moves about 3-4 times its own size per second. A human would thus be moving at 6 meters per second, or 21.6 km per hour, not bad for a critter 
[via treehugger and physorg]
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