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Well ten-hundred-thousand is a million;
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three-eights of a millionth of an inch is
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thirty water molecules.
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So somehow Newton was able to measure something, in 1717,
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that was the size of thirty water molecules.
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Now what tool could Newton possibly have had in 1717
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that allowed him to measure something so very small?
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What?
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Glass ring.
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Can't hear very well.
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Glass ring.
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Glass springs?