William Abel, a mail censor at Iowa's State Prison, Fort Madison, using a hot iron to bring out a secret message written in lemon juice on a letter.Three Lions/Getty Images Humans have had a long ...

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 ...

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 ...

Advancements in artificial intelligence (AI), especially large language models (LLMs) like ChatGPT and open-source counterparts, are reshaping how people communicate daily. These AI systems generate ...

Dalton Cooper is the Managing Editor of Game Rant. Dalton has been writing about video games professionally since 2011. Having written thousands of game reviews and articles over the course of his ...

There's more than meets the eye (and ear) to the already ominous Silent Hill: Townfall trailer, as NoCode and Annapurna have hidden a secret message within its audio. Following a tease from ...

While sending messages via Facebook Messenger may seem like a private way of communicating, it’s not. Facebook does not encrypt your regular messages on Messenger, and they can be handed over as ...

Doomsday teaser has been officially released online, and it contains a hidden message that could have two meanings for the ...

“It was just a little reminder [from] the King saying, ‘Hello, I’m still here. I’m not going anywhere.’” ...