In a few minutes, a new artificial surface takes the mud and maybe some of the danger out of horse racing.

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That's what Maja Mataric set out to learn a few years ago at MIT's Artificial Intelligence Lab.

CNN: Robots learn group dynamics - Sept. 26, 1995

For the past few years, boosters had been working to get the high school an artificial-turf field, something many rival schools had already installed.

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