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[ad_1] It sounds like a joke but, from May 20, one kilogram will not be a kilogram. Better said, from this day, a kilogram of material will no longer weigh the same …
Read More »Change the definition of the kilogram
[ad_1] It sounds like a joke but, from May 20, one kilogram will not be a kilogram. Better said, from this day, a kilogram of material will no longer weigh the same …
Read More »