Glow-in-the-dark pavers, paint, and concrete additives exist so that we can see where we're stepping in the dark outdoors. But we can also marvel at the soft green aura that takes us back to ...

It's not LED light, but paint. And not just glow-in-the-dark paint, but a special kind of paint that turns on and off by reacting to an electric charge. It can be applied to any surface in any ...