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Video of controlled swarm

Video   •   Jun 05, 2015 08:31 BST

 
The team from Uppsala University and University College Dublin measured hysteresis of the velocity of an active swarm in computer simulations and experiments on unicellular algae Euglena gracilis. The phototactic Euglena cells were driven by variable illumination and tracked using microscopy.
License Creative Commons Attribution, no derivatives (?)
Video length 0:18