Researchers in Japan grew living tissue from rat muscle cells to create a new kind of robotic hand that mimics human movements. Scientists at the University of Tokyo attached the lab-grown muscle tissue to a 3D-printed bone-like structure to create functional “biohybrid” robotic fingers. The robots can mimic the movements of human fingers when stimulated by electric current. Researchers hope to use the technology to create more flexible robotic hands and arms.

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