Need some gifts for your kids, grandkids, nieces and nephews? More specifically, gifts they won't toss aside as soon as they open them? We've got the goods: Maleden Invisible Ink Pens. These ...

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 ...

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 ...

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 ...

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 ...

In the sci-fi novel “The Diamond Age” by Neal Stephenson, body art has evolved into “constantly shifting mediatronic tattoos” – in-skin displays powered by nanotech robopigments. In the 25 years since ...

Scientists at Shiv Nadar University here have developed a low-cost security ink that may help detect counterfeit currency and could be employed in official documents and medical diagnosis. The new ink ...

A novel invisible ink tattoo technique may improve long-term quality of life and emotional well-being for people with cancer who undergo radiation therapy, according to study results. Radiation setup ...