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Last Artifact

The world's base unit to measure weight, the kilogram was the last of the SI units still defined, not by a universal constant, but by a physical artifact - a man-made cylinder located at the International Bureau of Weights and Measurements in France. The program recounts how a necessary update to the standard resigned this object to history.

Last Artifact is a local public television program presented by Montana PBS

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How to Watch Last Artifact

Last Artifact is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.

Last Artifact is a local public television program presented by Montana PBS

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