These robots use living muscle tissue to mimic human fingers

As if the line between human and machine wasn’t already blurry enough, researchers in Tokyo have developed a new method for using living rat muscle tissue in robotics.

The “biohybrid” design, described today in the journal Science Robotics, simulates the look and movements of a human finger. Video shows how it bends at the joint, picks up a loop, and places it down. It’s a seemingly simple movement but one that researchers say lays the groundwork for more advanced—and even more lifelike—robots. (Meet Sophia, the robot that looks almost human.)

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