Here's a collection of photos of materials that glow in the dark. Why do objects glow? It could be due to radioactive decay or a chemiluminescent reaction or any of a variety of other types of luminescence.
- Glow in the Dark IceThe ice cubes in this drink glow in the dark.
- Glowing Petroleum JellyPetroleum jelly, such as Vaseline, glows bright blue under a black light.
- GlowsticksGlowsticks or lightsticks are available in a variety of colors.
- Luminol ChemiluminescenceThe blue glow is characteristic of luminol chemiluminescence.
- Glow in the Dark SlimeIt's easy and fun to make eerie glowing slime.
- Glowing Lego ToysThese Lego Bionicle pieces glow under a black light.
- Glowing Paper AirplaneThis is just an ordinary paper airplane. Most white paper glows brilliant blue under black light.
- Glowing Mentos FountainGlow=in-the-dark fountain!
- Glowing Fluorescent DyeGlowing Fluorescent Dye
- Glow in the Dark GeodeGlow in the Dark Geode
- Glowing Crystal SnowflakeGlowing Crystal Snowflake
- Glowing DrinkThis is the glow you get from shining a black light on a mix of water and tonic water.
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