Clemson University provides funding as a member of The Conversation US. Few objects in the world are more immediately recognizable than the bar code. After all, bar codes are all around us. They’re on ...

For the longest time we’ve been using UPC bar codes to store strings of information in a compact space on both product labels and people in dystopian sci-fi movies. But as our needs grew and became ...

If it seems like QR codes are everywhere these days, that's because, well, they are. Thanks to a surge in popularity during the COVID-19 pandemic, these scannable codes are being used by businesses ...