VIRGINIA, USA — QR codes, holograms, the color green, were among the new features on the Virginia safety inspection sticker that state police were touting on Wednesday as they unveiled their graphic ...

Schematic of secure holography using a reconfigurable stacked metasurface based on a modular diffractive deep neural network. Each metasurface layer independently reconstructs distinct ...

Most people with a cellphone or computer know by now to be aware of clicking random links without knowing where they go. They know to look for the one letter in the URL that’s different, like an ...

In today’s fast-paced commercial environment, businesses keep looking for new ways to make product security better, improve tracking, and also customer interact ...