The following is an except from Prisoners, Lovers & Spies: The Story of Invisible Ink from Herodotus to al-Qaeda, by Kristie Macrakis, One of my favorite invisible-ink stories, that didn’t make the ...

CIA reveals World War I recipe for invisible ink as agency declassifies secret files from 100 years ago By DAILY MAIL REPORTER Updated: 04:42 EDT, 20 April 2011 ...

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 ...

The agency releases six World War I-era documents, most of which deal with invisible ink.

"Invisible ink was rendered obsolete by digital encryption long ago, not in the last few years," Aftergood said. "Director Panetta is attempting to rationalize the CIA's irrational information ...

Invisible ink pens are an excellent way for grown-ups to discreetly mark items in their workplace and a great toy for kids who want to play games.

Invisible Ink is one of the standout features Apple introduced to iMessage back in 2016, part of a suite of message effects designed to make texting feel more expressive. While others like "Slam ...

Invisible Ink won’t save you if someone has access to the recipient’s phone and decides to swipe away the pixels to read your scandalous thoughts, but it at least offers some additional ...

People have seen it in spy movies, secret messages written through invisible ink. The average person may have all the ingredients needed to make their own invisible ink right in their own kitchen.

I spy invisible ink pens that belong in the kids' stockings — snag a pack for $8 They have built-in UV lights and are suitable for children ages 3 and up, but you'll have fun using them too!