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Densely Swarming E coli Bacteria

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Uploaded by on Feb 27, 2010

A dense group of E. coli swims in the roughly two dimensional space at an air water interface. Their collective motion is significantly different from their motion as single cells. Under these conditions they behave more like an active fluid, hence changing the way that nutrients are shared within the group. Notice the appearance of vortices and turbulence-like flow fields.

Video courtesy Matthew Copeland, University of Wisconsin, Madison.

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Education

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Standard YouTube License

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  • Awesome ... now we know what static on the old tv screens really was

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