Main content

Technetium (Tc)

Technetium is essential for medical imaging, yet supplies of this short-lived manmade element are far from guaranteed. We see a technetium scan in progress and a cow being milked, and hear the yarn of the 70-year chemistry wild goose chase sparked by this mysterious radioactive metal.

32 minutes

More episodes

See all episodes from Elements

Podcast

  • Elements

    Chemical elements: where do we get them and how do they fit into our economy?