Researchers built a breakdancing, light-powered hydrogel robot

The robot can move at a typical human walking speed through the use of magnetic fields. It can pick up objects and hold them in place by folding its arms inwards. It can roll to move those items and even breakdance to shake off stickier objects.

Researchers suggest that future versions could work on a microscopic level. They say the robot could prove useful in a number of situations, such as removing unwanted particles in certain environments. It could also be designed to use “mechanical movements and locomotion to precisely deliver bio-therapeutics or cells to specific tissues.” 

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