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News Link • Science, Medicine and Technology

Micro Robots Used To Deliver Drugs In Patients Bloodstream

•, Georgia Tech
 When you’re just a few microns long, swimming can be difficult. At that size scale, the viscosity of water is more like that of honey, and momentum can’t be relied upon to maintain forward motion.

Illustration shows the rigid propulsive flaps on each side of the micro-swimmer, while the steering flap on the front is being deformed by a light source. The green cones represent velocity vectors through the middle of the micro-swimmer.

Microorganisms, of course, have evolved ways to swim in spite of these challenges, but tiny robots haven’t quite caught up. Now a team of researchers at the Georgia Institute of Technology has used complex computational models to design swimming micro-robots that could overcome these challenges to carry cargo and navigate in response to stimuli such as light.

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