Here’s a short research paper from 2013 that explains how to create “hydroglyphics”, or writing with selecting surface wetting. In it, an apparently normal-looking petri dish is treated so as to ...

Using the Notes app on your iPhone as a messaging app is a surprisingly clever way to have a discreet conversation. You can use it to plan a surprise party for a loved one or disguise sensitive ...

You can send secret messages on your iPhone using the Apple Notes app! Just create a note, tap Share > Collaborate, give edit access to a friend, and start chatting in real-time—no third-party app ...

However, there was a post-credits scene that showcased that everything might not be as it seems and it looks like there are ...

There’s a scientific secret hiding in one of the most famous paintings of all time. It resides on the ceiling of the Sistine Chapel, painted by Michelangelo, as God gives Adam the first spark of life.

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 ...

This week: Filmmaker Alice Wu shares a clever trick to help you finally finish that thing you’ve been working on, why teenagers are taking over the comments sections of old podcast episodes, and the ...

It came as news to fans — and Sabrina Carpenter herself — that more secret messages would soon appear on the soles of her Short and Sweet Tour heels. Carpenter, who had no idea that more phrases were ...

The old practice of hiding words or symbols, or engraving letters too small to be read, has come into favor again. By Victoria Gomelsky In 2014, Fie Isolde’s future husband wrote her a 28th birthday ...

Tom Bowen is a senior editor who loves adventure games and RPGs. He's been playing video games for several decades now and writing about them professionally since 2020. Although he dabbles in news and ...

Secret Santa notes don’t need to be clever masterpieces. They just need to feel real, a little warm, a little thoughtful, and maybe a tiny bit mischievous. If you’re stuck staring at a blank card, ...