Beth Harris, Raleigh mom and science educator, returns today with a really fun and easy experiment for kids to try - invisible ink! All you need is a piece of paper, milk with some amount of fat in it ...

Invisible ink is back, and it’s better at hiding than ever. A new invisible ink that you can print is harder to reveal than most common cyphers. Liang Li at Shanghai Jiao Tong University in China and ...

Invisible ink is one of the most popular features on Apple's iOS 10 for iPhone and iPad, but it's still a little buggy. Invisible ink is a new feature that lets you send scrambled-looking texts and ...

A letter from the Revolutionary War with lines written in invisible ink. Credit: Wikimedia Commons Last year, the US Central Intelligence Agency released documents detailing recipes for invisible ink ...