Technology
The invisible barcodes hidden on your mail
HERE’S THE INTERESTING PART
Hidden securely within the fluorescent orange ink of almost every mailed envelope lies a microscopic, invisible barcode. Postal services utilize sophisticated automated sorting machines that read these ultraviolet marks at absolute lightning speeds. This largely unseen technology ensures billions of letters bypass human hands entirely, arriving precisely at your local post office.
One discovery leads to another.
Keep exploring facts in this topic.
Technology →
