This showed up in one of my feeds this morning. Paint that glows when it is connected to a battery. The clip shows a bike with a custom tank; it looks ok. This concept has potential, might even become the next flavour of the month (although I imagine a nightmare result when the advertising people latch onto the idea)
[video]https://youtu.be/mH6oQbckCms[/video]
[video]https://youtu.be/mH6oQbckCms[/video]