Replace Kilogram Artifact Now With Definition Based on Nature, Experts Say

It’s time to replace the 115-year-old kilogram artifact as the world's official standard for mass, even though experiments generally thought necessary to achieve this goal have not yet reached their targeted level of precision, according to an upcoming Metrologia journal article* authored by five eminent scientists from the United States, United Kingdom and France that is being discussed during a scientific meeting** beginning at the Royal Society of London.

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<p><a href="http://www.physorg.com/news3178.html">Replace Kilogram Artifact Now With Definition Based on Nature, Experts Say</a></p> <p>It’s time to replace the 115-year-old kilogram artifact as the world's official standard for mass, even though experiments generally thought necessary to achieve this goal have not yet reached their targeted level of precision, according to an upcoming Metrologia journal article* authored by five eminent scientists from the United States, United Kingdom and France that is being discussed during a scientific meeting** beginning at the Royal Society of London. <br></p>