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How do QR codes work? The checkerboard patterns taking over the world, demystified. Go to https://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 ...
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