Step into the hidden science lab in your kitchen with five easy experiments that explain refraction, surface tension, ...

While I doubt the super serious stiff in this DIY video is actually a super spy, he does have the DIY know-how necessary to hack apart an inkjet printer and make it into an invisible ink-spitting ...

Have mini detectives, secret agents, or superheroes at home? Keep your creative kids entertained for hours with this fun DIY invisible ink recipe that uses ingredients straight from the kitchen! There ...

Here’s a fun way for junior spies to write covert messages to friends and family. This DIY invisible ink lesson is adapted from The James Dyson Foundation science ...

People have always wanted to communicate privately. There once was a time when regular ink was secret enough, because not much of the world knew how to read. Then literacy ruined it for everyone, and ...