Measuring kilogram accurately

Full Story: io9

Measuring the units of weight has always hit snags as one really doesn't know whether one kilogram is one kilogram or not. Presently the standard one kilogram is a lump of platinum-iridium, but this is vulnerable to mass degradation or damage over time. Now thanks to research and efforts of scientists, we really know how to measure a kilogram correctly and precisely. Read the full story for scientific explaination which describes accurate measurement of one kilogram.

Posted in: Uncat