The new kilogram has finally arrived. Updates to scientists’ system of measurement went into force May 20, redefining the kilogram and several other units in the metric system. The revamp does away ...

It has been used as a standard unit of weight measurement since the time of the French revolution, based on the precise mass of a lump of metal held in Paris. But the kilogram may be about to be given ...

In addition to Ampere, Kelvin, Mol and Co., the kilogram also is now defined by a natural constant. In concrete terms, this means that the original kilogram, which has been the measure of all things ...

Out with the old — kilogram, that is. Scientists will soon ditch a specialized hunk of metal that defines the mass of a kilogram. Oddly enough, every measurement of mass made anywhere on Earth is tied ...

Mass is a property of matter which is not dependent on the temperature of the object in space. The SI unit of mass is kilogram (kg). The prototypes of the International standard kilogram is available ...

The new kilogram (unit of weight) and three other new base units - ampere (electric current), Kelvin (temperature) and mole (amount of substance such as atoms) - will now not be based on 'physical ...