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
My fav application is scanning with a phone to immediately get on wifi
While that works pretty well, I find it strange how little people use the ability to tap an NFC tag to instantly connect. Getting the camera pointed at a code only takes a second but tapping a sticker is even quicker.
I guess most people don’t know about that feature.
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.
