Disney's Pixelbots roll around and light up in sync like large, real-world pixels.

Three years ago, at the ACM/IEEE International Conference on Human-Robot Interaction, Disney Research released a prototype artistic robot swarm. Last month, Disney Research returned to the conference, showing off vast improvements on the bots, as they danced the Story of The Universe. This week, Disney released a video of the performance.

Now called Pixelbots, these tiny robots have two magnetic wheels that can be programmed to represent one pixel of light and color at a time. They are capable of making quick transitions and changes in shape without getting confused or running into each other, and will even reposition themselves if you try to mix them up.

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