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 ...

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 ...

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 ...

Invisible inks based on “smart” fluorescent materials have been shining brightly (if only you could see them) in the data-encryption/decryption arena lately ...

At one point, 24-year-old Chris Miller was pre-med. Although he changed his mind about being a doctor, he hasn't regretted his choice of low-key tattoos. The black, nickel-sized art at each wrist can ...

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 ...

Scientists have created a new form of invisible ink, but it has one big hitch: it might be toxic. Invisible inks, or “smart inks,” can be used for everything from preventing counterfeit money to ...

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 ...

Invisible inks based on “smart” fluorescent materials have been shining brightly (if only you could see them) in the data-encryption/decryption arena lately ...