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Houston Public Media - News 88.7: Teachers throw tennis balls trying to stimulate the larger ball.
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Houston Public Media - News 88.7: Rice Dean of undergraduates and chemistry professor John Hutchinson leads the demonstration.
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Houston Public Media - News 88.7: IMG_1772
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Houston Public Media - News 88.7: IMG_1773
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Houston Public Media - News 88.7: HISD Superintendent Dr. Terry Grier watching the demonstration.