bar codes

How to read UPC bar codes to identify US, Japanese or Chinese goods
UPC or Product Code is always printed on the packaging, used to identify the origin of the item.
What does the triangle symbol usually print on the bottom of a plastic bottle mean?
Underneath the plastic bottles, boxes or items there is always a triangular symbol made up of 3 arrows and a number in it (from 1 to 7).
15 super funny images of evolution in human life over time
The 15 funny illustrations below are inspired by ideas and satire that will help us realize how human life has evolved over time.
Barcode condom
American experts have introduced a type of condom with barcodes that can record and mark places as well as when an object has sex.
Bar Code Audio Bar Code Testing
NFC, RFID and ORC - an indispensable part of everyday life. Recently, a team at Carnegie Mellon University has created a new bar code, which stores data in sound waves.