Coded messages in invisible ink sound like something only found in espionage books, but in real life, they can have important security purposes. Yet, they can be cracked if their encryption is ...
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Coded messages in invisible ink sound like something only found in espionage books, but in real life, they can have important security purposes. Yet, they can be cracked if their encryption is ...
People have always wanted to communicate privately. There once was a time when regular ink was secret enough, because not much of the world knew how to read. Then literacy ruined it for everyone, and ...
Chinese scientists have created an invisible ink to keep precious information out of unwanted hands. The water-based system can be printed in seconds and, after it has been read under ultraviolet ...
Scientists have invented sophisticated fluorescent inks that one day could be used as multicolored barcodes for consumers to authenticate products often counterfeited. Snap a photo with your ...
Jean-Michel Basquiat, the late neo-expressionist whose tragic life story inspired a 1996 film, used invisible ink to draw secret figures in at least one of his early paintings, Artnet News reported ...
Australian researchers say they’ve invented a cheap, inklike product that could be used to make wearable sun sensors to tell people when they’ve had too much. The ink darkens steadily when exposed to ...
Coded messages in invisible ink sound like something only found in espionage books, but in real life, they can have important security purposes. Yet, they can be cracked if their encryption is ...