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A smart sensor that attaches to the tip of a syringe can measure, in real time, the concentration and viability of the cells that pass through it – a potential breakthrough for biomedical 3D printing and cell therapy.
Researchers created a robot less than 1 millimeter in size that is printed as a 2D hexagonal “metasheet” but, with a jolt of electricity, morphs into preprogrammed 3D shapes and crawls.
