• HugeNerd@lemmy.ca
    link
    fedilink
    arrow-up
    3
    ·
    3 days ago

    No, there’s no scientific backing to really confidently say that no two fingerprints are alike. That doesn’t change that we can identify them and match them.

    If you observe that fingerprints can be matched, that’s all you need to know.

    Now lie detectors don’t work at all…

    • Schadrach@lemmy.sdf.org
      link
      fedilink
      English
      arrow-up
      1
      ·
      16 hours ago

      Now lie detectors don’t work at all…

      Meh, they do work. They just measure stress response, not truthfulness. The idea being that you’ll have a heightened stress response to a question you are lying about the answer to, which may or may not be accurate depending on individual and situation.

      • HugeNerd@lemmy.ca
        link
        fedilink
        arrow-up
        1
        ·
        16 hours ago

        So they don’t work. They’re nothing more than pseudo-science gobbled up by “Truth, Justice, And The American Way” boomers who also watch NCIS and cheer when they blow up the bad guys on the big screen.