This playing card optical illusion has sent social media users in a spin as they realize the glaringly obvious feature. Despite using decks of cards for years, many people have been left baffled over ...

Optical memory cards, with their large data storage, strong security, and solid durability, are starting to gain the recognition one manufacturer of the cards feels the technology deserves. LaserCard ...

Because of its high data capacity and secure data permanence, the LaserCard optical memory card can simultaneously store all or any combination of biometric identifiers currently being used ...