/jp/ - Otaku Culture

>>14411279
Imagine something like what happens when you wear a white shirt to laser tag - it glows a bright blue because the black light gives off some amount if UV, (although small in those settings). Pic related, think like what happens to glow-in-the-dark doll eyes. That same green should happen to CZs in the presence of UV radiation. However, if the UV ink in your card didn't glow, 99% sure it's just blue light.