Skip to Main Content
There are no episodes currently available. Check back for updates.

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

Support for PBS provided by:

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

or

By creating an account, you acknowledge that PBS may share your information with our member stations and our respective service providers, and that you have read and understand the Privacy Policy and Terms of Use.

Discover More from PBS

Watch Without Montana PBS Passport

  • Watch new specials and currently airing PBS shows
  • Enjoy Live TV from Montana PBS

Watch MORE with Montana PBS Passport

Donate $5 per month or $60 per year and:

  • Get extended access to past seasons of PBS shows
  • Stream early releases of new series
  • Binge watch your favorite PBS shows

Your donation goes to your local station!

Get Passport

Are you sure you want to remove null from My List?