To become more accessible and accurate, a new kilogram has been developed that that is based on ideas rather than an object.
When Real Peanut Butter Is Not What or Where You Expect
Required by commerce in a market system, standard weights and measures not only take us to the kilogram or second but also even peanut butter.
Why should you care about a tiny grain of sand?
Because commercial globalization needs standardized weights and measures, the mystery of the kilogram prototype getting lighter needs to be solved.