Tumbling, all-terrain microbots have all the moves to change drug delivery

David Cappelleri and his Purdue team have developed micro-robots millionths of a meter in size -- smaller than the head of a pin. Their latest creations can "tumble" over obstacles in both dry and wet environments using a rotating magnetic field. They envision biomedical micro-robots being injected into patients for super-focused drug delivery.

Provided by Purdue University

Runtime: 1:53

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