These robotic arms are happy and they know it, because they can clap their hands. In this video, we see a demonstration of "Ondz" robotic clappers, developed by Masato Takahashi, a researcher at Keio University. Takahashi crafted the robotic limbs from molds of his own arms, which only adds to the creepy factor.
There's still hope for humans, though. I don't think the robots have yet mastered the sarcastic, slow clap technique just yet.
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