YouTube: https://youtu.be/w5ebcowAJD8

Invidious, alternative YouTube link without YouTube: https://inv.nadeko.net/watch?v=w5ebcowAJD8


Video description:

How do QR codes work? The checkerboard patterns taking over the world, demystified. Go to Saily.com/veritasium and use the code ‘veritasium’ to get an exclusive 15% off your first purchase.

Special thanks to Mashiro Hara and Yuki Watanabe.

00:00 I was wrong 00:49 How Morse Code revolutionized communication 03:57 How barcodes work 10:34 How QR codes store information 18:16 Why damaged QR codes still work 29:54 Why are QR codes so common? 31:21 How safe are QR codes? 32:25 The future of QR codes

  • m-p{3}@lemmy.ca
    link
    fedilink
    arrow-up
    13
    ·
    2 months ago

    I use them for our printed version of our documentation, each document has a cover page with a QR code pointing to the latest version of the electronic copy.

    Handy during an outage, and you don’t have to search for the online copy.

    • Crotaro@beehaw.org
      link
      fedilink
      arrow-up
      2
      ·
      1 month ago

      Smart! If my company ever digitises enough to make this a possibility, I’ll implement (or at least suggest) it!