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 ...

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 ...

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 ...

What looks like magic is often just a rule of physics or chemistry doing its job. Invisible ink turning brown, colours swirling on milk, water climbing uphill — it all feels like sorcery until you ...