Historic vote to redefine the kilogram changes forever the way we measure mass

Historic vote to redefine the kilogram changes forever the way we measure mass  NBCNews.com The Definition of a Kilogram Just Changed. That's a Major Milestone in the Grand History of the Metric System  Yahoo News Take a weight off: Tears, joy as kilo gets historic update  SFGate The kilogram and three other metric units are about to be revamped  The Economist The Kilogram is Dead. Long Live the Kilogram!  New York TimesFull coverage