The unnamed host of this video takes a 32,000 lumen flashlight and points it at glow-in-the-dark Culture Hustle paint, which is supposedly the brightest paint in the world. I thought it would be bright, but wow, this is amazing. When the host refers to it as "the world's glowiest glow," he ain't kidding.
Here's the full video in case you want to hear his scientific explanation on how it all works:
https://youtu.be/GnYcDe6HFKM