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Quote: "To do this they manufactured a microscopic sphere of calcium carbonate only 4 millionths of a metre in diameter." Calcium carbonate? How disappointing.
by lutusp 13y ago
Quote: "To do this they manufactured a microscopic sphere of calcium carbonate only 4 millionths of a metre in diameter."
Calcium carbonate? How disappointing. Maybe they can be persuaded to spin a buckyball instead -- it would tolerate much higher centripetal forces.
- mtdewcmu 13y agoIt seemed like an odd choice to me at first, but they probably chose calcium carbonate because of its ability to polarize light: http://www.daviddarling.info/encyclopedia/P/polarization.html http://www.daviddarling.info/encyclopedia/P/polarization.htm...