Get ready for an epic glow-in-the-dark doodling adventure using the Smiggle Spy Pen! In this video, I tested invisible ink ...

Glow-in-the-dark railings in stairwells could provide safety during power outages, while illuminated sculptures or artwork could add an eco-conscious touch to public spaces.

For example, glow-in-the-dark silkscreen could be used to highlight specific test points on a board or similar, which could be instantly revealed with the use of a UV flashlight. It’s an edge ...