The kilogram was officially defined as the mass of a particular cylinder of platinum alloy cast in 1889 and stored in a special vault in France.

Inventing A New Kilogram

You have questions and A Moment of Science has answers. Short science videos and audio science podcasts provide the scientific story behind some of life\'s most perplexing mysteries. There\'s no need to be blinded by science. Explore it, have fun with it, but most of all learn from it. A Moment of Science is a production of WFIU Public Media from Indiana University in Bloomington, Indiana.

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Inventing A New Kilogram

Inventing A New Kilogram