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
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I find NFC stickers often require an annoyingly close connection (unless it’s a rather large antenna) and can be particularly finicky with certain cases and other attachments people put on phones. Realistically they both take approximately the same amount of time and it’s way cheaper to print a tag than it is to buy a single NFC sticker