Live Science on MSN
World's smallest QR code can store data for thousands of years — but you need an electron microscope to see it
Scientists created a tiny matrix that stores data by etching its grid into a thin ceramic film with a focused ion beam.
The smallest QR code in the world is so very tiny that your phone would need an electron microscope to scan it. The matrix ...
Newspoint on MSN
Identify real and fake QR codes like this, otherwise your bank account will be emptied as soon as you scan it
People now prefer mobile payments over cash. Scanning a QR code is a quick way to make payments at shops, restaurants, petrol ...
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