• Gnugit
    link
    fedilink
    English
    arrow-up
    5
    ·
    edit-2
    4 months ago

    He used the bomb pulse which is dated off carbon 14 from nuclear bomb tests in the 50s. It’s written in the article.

    • TachyonTele@lemm.ee
      link
      fedilink
      English
      arrow-up
      3
      ·
      4 months ago

      Right, that’s how they usually do it.
      Idk apparently he could date to 15 years ago. I guess it’s gotten much more accurate lately.