He uses robots to divide and conquer

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A handful of small, boxy robots scurried across the floor in a row, their red, blue and green lights blinking. Suddenly they broke into song -- "Hi ho, hi ho. It's off to work we go" -- and then scattered in all directions.

Read more:http://www.boston.com/news/globe/health_science/articles/2005/01/25/he_uses_robots_to_divide_and_conquer/