Humanoid robot videos show machines lashing out

A humanoid robot starts swinging its arms inside an office. Another appears to surge toward a festival crowd. In the most upsetting clip, a performing robot kicks a child in the stomach.

These videos spread quickly because they hit a nerve. Humanoid robots can move with startling speed. Once a machine loses balance or follows a faulty motion routine, nearby people have little time to react.

So, what do these clips reveal about robot safety, and what needs to change before these machines move closer to the public?

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