How to Make QR Codes on iPhone or iPad. Barcodes—or in this case, QR codes—consist of basic black and white patterns that, ...

The humble QR (or Quick Response) code has become ubiquitous. Invented back in the 1990s to scan car parts, the barcodes got a popularity boost during the pandemic when touchless tech became ...

Backdooms is a Doom-like game that fits inside a QR code. That's to say, the code of the game is so concise that it can be ...

Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR ...

A resourceful developer named Kuber Mehta has taken the "Can it run Doom?" meme to new heights with a wild new project that pushes the boundaries ...