Picture this: a magician strutting their stuff with a wallet that’s got a transparent compartment. They fold a plain white piece of paper and pop it in there. A cheeky little snap later, and voilà! That same piece of paper is now sporting some mysterious writing. How’s that for a party trick? But wait, there’s more! You can do the same with a playing card—like turning a hearts into spades, all while keeping it in full view! (No sleight of hand nonsense here, mate!)
