Actor Alan Alda has a question: "What is color?" And as part of his annual Flame Challenge, he wants scientists to answer it in a way that an 11-year-old can understand.
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Actor Alan Alda Challenges Scientists to Explain Color to Kids
Actor Alan Alda has a question: "What is color?" And as part of his annual Flame Challenge, he wants scientists to answer it in a way that an 11-year-old can understand.
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