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Confusion of the scientific community caused the message of British scientists from the University of Newcastle. It was reported that in the result of ongoing changes in the global environment standard – a kilogram becomes heavier. “Stored in Paris to the International Bureau of Weights and Measures world reference kilogram gained weight in 137 years of his existence, ” London newspaper The Daily Telegraph. Although the extra weight is tens of micrograms, but for physics it’s very significant value, since it deprives it of a weight constant. The situation is complicated by the fact that in the world there are 39 exact copies the reference kilogram stored in Paris, which at one time were sent to various countries of the world to maintain a unified systems of weights and measures. Now, according to a number of scientists, they are starting more and more different in weight due to climatic and other conditions existing in different parts of the planet. “The industrialization that has taken place in the world and the nature of its functioning modern society have led to the fact that the surface of the reference kilogram acquired plaque in the form of additional particles, – claims a research team from the University of Newcastle. – World a standard weight system is now at risk of being created in her chaos. We were horrified when we saw that on the surface one of 40 standard kilograms stored in the UK mercury particles have accumulated, “said Professor. Peter Campson According to the information received by the publication, now discusses a special “clean-up dust “surfaces of all 40 reference kilograms so that return them a single weight.