Close up of microflier (folded) (IMAGE)
Caption
Researchers at the University of Washington developed small robotic devices that can change how they move through the air by "snapping" into a folded position during their descent. Each device has an onboard battery-free actuator, a solar power-harvesting circuit and controller to trigger these shape changes in mid-air. These circuits are assembled and patterned directly onto the flexible material that makes up the microfliers, as shown here.
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Mark Stone/University of Washington
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