The VergeScientists say goodbye to physical definition of the kilogramThe VergeIn between coffee breaks and presentations on quantum physics, scientists today voted to redefine the kilogram, the unit that underpins the world's system of weights. Instead of basing the kilogram's value on a physical artifact, as has been the case ...The weight is over: kilogram redefined at 'emotional' conferenceThe GuardianThe kilogram has officially been redefinedEngadgetHeavy heart as kilograms get redefinedSky NewsThe Economistall 93 news articles »