| Video Link |
January 24, 2001 |
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Downs describes the difference between a scientist and a gem show expert. |
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Downs demonstrates how the Raman spectrometer is used by taking a reading from a sample of wulfenite. |
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Downs explains how it is possible to make diamonds out of peanut butter, a trick first employed by General Electric in response to a lawsuit brought against them. |
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Downs talks about how the United Nations is using Raman spectrometer technology to trace the origins of, and therefore block the sale or trade of "blood diamonds." |
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