Barcodes and QR codes feel like they’re everywhere nowadays, but they don’t have to be. Scientists at MIT have developed an invisible tagging system called BrightMarker, which embeds fluorescent tags ...

(Nanowerk Spotlight) Quick Response Codes, or QR codes for short, are two-dimensional matrix codes that can hold 100 times more data than a traditional barcode. QR codes have rapidly gained popularity ...

In-game names are the identity of players in a game like Garena Free Fire. Users often go out of their way to choose a unique Free Fire nickname. Some use specific fonts, while others focus on the ...

Quick Response (QR) codes those grainy, black-and-white squares increasingly found on advertisements and packaging can quickly deliver encoded data to mobile gadgets, whether the info is a Web address ...

It's the invisible ink of childhood, all grown up and with a serious purpose. Researchers have developed a high-tech ink, which they used to print QR (quick response) codes that are invisible in ...

QR codes, those goofy black-and-white arrangements of digital information, could help secure bank notes. Scientists just showed that they could print an invisible QR code made of a high-tech ink ...

Scientists have discovered that your breathing pattern is as unique as a fingerprint and it may reveal more than just your identity. Using a 24-hour wearable device, researchers achieved nearly 97% ...