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.
Make sure your outfits are worthy of five stars with these DTI codes. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results