Learning-by-teaching is a proven way for students to gain new skills. But does the technique work when kids teach robots and not other kids?
Researchers in Switzerland think so. They’ve developed the CoWriter robot, a 23-inch-high humanoid that sits at eye-level. The kids are told to teach the robot handwriting by setting out magnetic letters on a table and asking their friend to write words on a tablet. When the robot deliberately pens poorly, the student puts in their own better version underneath. The students think they’re teaching, but really they’re learning.
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