the.com/glow
proof that some things shine hardest when they're slowly burning down.
cold lightFireflies glow with nearly 100% efficiency, almost no heat
deep seaMost ocean creatures below 200 meters make their own light
radium fad1920s watch dials glowed via painted-on radioactive paint
afterglowSome minerals keep glowing in the dark after light leaves
skin tellA real glow is blood flow, not a filter