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Much to the consternation of scientists, the cylindrical platinum-iridium artifacts that represent the kilogram (see image above) have been gradually packing on extra weight due to surface contamination. Since that unit of measure is the last to be based on an artifact and not a physical constant

1 year ago 0 Comments
May 3, 2013 at 9:01AM
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While we've seen quite a few toys pulling stunts that they should definitely be ashamed of, the latest edition ups the ante by doing its dirty deed in a Roman Catholic cathedral. Following the \"if it blinks, obliterate it\" mentality so well exemplified at various Boston transit arteries, a team of S

7 years ago 0 Comments