Someday, microscopic robots could perform useful functions, such as diagnostic testing in lab-on-a-chip sensors, micropatterning surfaces or repairing equipment in tight spaces. But first, scientists need to be able to tightly control the microbots’ speed. Now, researchers reporting in ACS’ Chemistry of Materials have developed micromotors with three “engines” that they can control separately with chemical fuel, magnets and light.
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Source: Phys.org