Position markers, also known as finder patterns, are the large squares located at three corners of the QR Code. These markers help scanners detect the QR Code and determine its orientation. They are ...
Veritasium on MSN
A Hand-Built QR Code Shouldn’t Work but Somehow It Does
A manually constructed QR code offers a rare look into how digital information is stored using simple patterns. By assembling each module one square at a time, the process reveals the hidden logic ...
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