19-10-2015, 04:18 PM
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Trivial High Priest
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Join Date: Apr 2015
Location: Melbourne, Australia
Posts: 392
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This Perfect Silicon Sphere is the Most Precise Kilogram Ever
http://motherboard.vice.com/read/thi...kilogram-ever-
Scientists look to define kilogram with a super-round silicon sphere
http://ceramics.org/ceramic-tech-tod...silicon-sphere
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