Emergence of macroscopic directed motion in populations of motile colloids

[Roger Critchlow-2]

So take a tub full of microscopic colloidal blobs, make the blobs roll around by applying an external electrical field, and you can get the whole mess to swarm.

http://www.nature.com/nature/journal/v503/n7474/full/nature12673.html

http://www.nature.com/nature/journal/v503/n7474/full/503043a.html

Pretty darn clever for puree of Jello.

-- rec --

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