Kilogram may change from next year

How much do you weigh a kilo? Or should I say what size is a kilo? (The weight is expressed from the force unit, the neuton unit.) The answer will be given by the International Weight and Measures Office (BIPM), based in Sevre, near Paris. There the kilo is arbitraryly defined as the mass of a metal cylinder made from a platin binder (90%) and iridium (10%) in size - 39 mm high and winter. The problem is, because of the chemistry whims, even a cylinder made from platinine and iridium can change considerably over time.

So how much do you weigh a kilo? According to Nature. Over the past few days, an International Table of Mass and Weight Fair has gathered to review, elaborate, and redefine the kilo, amperin, KIvin, and the moth. The final decisions will be adopted in the General Conference of Weight and Massacres, to be held in November 2018, and changes will take effect in May 2019 will affect all those using the International Units System (SI). This will not work on the conventional scale, but for scientists who move in numbers these measures will remove many doubts.

Kilogram

We know that the kilo is the size of a unit, and it has been found that the mass of several prototypes designed according to image and similarity with the main entity have gained 50 micrograms of weight over a century because of molecular acquisitions, but starting by Mass and Weight Conference that will not matter anymore. Kilogram will be redefined through “the balance of Watt”, an experiment that allows mechanical energy to compare with electromagnetic by an electrical and mass, using a laser. As a result of measuring this experiment and constant plank, scientists can determine the weight of the kilogram with great precision.

Kelvin

The temperature unit according to the International Unital System, Kelvin is linked to the temperature and pressure with which water, ice, and steam live together in a balance (this is called a three - point water). Starting with the reassignment of Kelvin, it will be decided by the speed of sound in a gas-filled rerun sphere under certain controlled circumstances, the world writes.al.

Amper

The modern definition of the amper, the power intensity unit, (has been determined since 1948) depends on an imaginary experiment in which a force is produced between two infinite fibers, but in the new aper's assessment, it will be determined by electrical current through a very cold <x0bomb”.

Molly

Molly is the unit that measures the amount of substance. This unit is determined by the amount of substance containing many basic entities as atoms in 12 grams of carbon 12. The new definition will be based on a very precise experiment that will determine the number of atoms there in a silici range of 28 through a laser.