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 ...

U.S. Government Taking Active Role in E-Commerce Anti-Counterfeiting The RainbowSecure marking system is the world's most advanced invisible covert serialization and authentication solution, deployed ...

Technology speeds up our world, enabling faster turnaround times, streamlined efforts and near-instant transactions. At the same time, today’s consumer is more interested in buying the right item than ...

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 ...

QR codes might be getting a little more high tech - and a lot more difficult to see. Researchers at the University of South Dakota and the South Dakota School of Mines and Technology have developed a ...