That’s smaller than many bacteria. In fact, it’s so tiny that it can only be seen with an electron microscope. The QR code was developed by scientists from the TU Wien public research university in ...
THEY SEEM TO BE JUST ABOUT EVERYWHERE. QR CODES OR QUICK RESPONSE CODES ARE SMALL BARCODES THAT WHEN YOU SCAN THEM WITH YOUR PHONE, TAKE YOU JUST ABOUT ANYWHERE. LIKE THIS RANDOM YOUTUBE VIDEO OF ME ...
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