Why the Rainbow Ghost Firework Is Taking Over the Sky
I remember sitting on a damp blanket at a local 4th of July show a few years back, thinking I'd seen everything there was to see, until a rainbow ghost firework suddenly ripped across the dark sky. It wasn't just a burst of light that vanished; it was this eerie, shifting spectrum that seemed to "walk" from one side of the explosion to the other. If you haven't seen one in person yet, you're honestly missing out on one of the coolest leaps in pyrotechnic technology we've seen in decades. It's the kind of thing that makes a whole crowd of thousands go silent for a split second before everyone starts asking their neighbor, "Wait, how did it do that?" ...