Stuck on what to write for Secret Santa? From office-safe notes to warm wishes for friends, here are easy, thoughtful ...

A Hillhouse student’s eyes widened as he applied grape juice and heat to what appeared to be a blank piece of paper — but instead held a secret message in invisible ink, written as part of a course ...

It is a classic rite of passage for nerdy kids to write secret messages using lemon juice. If you somehow missed that, you can’t see the writing until you heat the paper up with, say, an old-fashioned ...

Luke Dammann is a writer from the United States of America. Playing video games since before he can remember, writing about the next Halo or Call of Duty title comes naturally to Luke, who is always ...

According to Numerology, your birth numbers carry secret messages which you never realize and now it is the time when we are ...

Have you ever wanted to send a secret message to a friend that no one else can read? Invisible inks can help you do that! When you use an invisible ink to write a message, it quickly disappears. The ...