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  2. Luminous paint - Wikipedia

    en.wikipedia.org/wiki/Luminous_paint

    Radioluminescent paint is a self-luminous paint that consists of a small amount of a radioactive isotope (radionuclide) mixed with a radioluminescent phosphor chemical. The radioisotope continually decays, emitting radiation particles which strike molecules of the phosphor, exciting them to emit visible light.

  3. Tritium radioluminescence - Wikipedia

    en.wikipedia.org/wiki/Tritium_radioluminescence

    A "permanent" illumination watch dial Tritium-illuminated handgun night sights on an FN Five-seven. These light sources are most often seen as "permanent" illumination for the hands of wristwatches intended for diving, nighttime, or combat use. They are also used in glowing novelty keychains and in self-illuminated exit signs.

  4. Dermo-optical perception - Wikipedia

    en.wikipedia.org/wiki/Dermo-optical_perception

    The magician Harry Houdini with Joaquin María Argamasilla known as the "Spaniard with X-ray Eyes".. Dermo-optical perception (DOP, also known as dermal vision, dermo-optics, skin vision, skin reading, finger vision, cutaneous perception, digital sight, and bio-introscopy [1]) is a term that is used in parapsychological literature to denote the alleged capability to perceive colors ...

  5. Super-LumiNova - Wikipedia

    en.wikipedia.org/wiki/Super-LumiNova

    Blue-green (emission at 485 nm) glowing BGW9 Super-LumiNova applied on a similar diver's watch face. LumiNova pigments in the dark Over time, RC Tritec AG developed other afterglow color variations than the original Nemoto & Co. C3 green and higher grades of afterglow pigments.

  6. Luminol - Wikipedia

    en.wikipedia.org/wiki/Luminol

    Luminol (C 8 H 7 N 3 O 2) is a chemical that exhibits chemiluminescence, with a blue glow, when mixed with an appropriate oxidizing agent.Luminol is a white-to-pale-yellow crystalline solid that is soluble in most polar organic solvents but insoluble in water.

  7. Glow stick - Wikipedia

    en.wikipedia.org/wiki/Glow_stick

    Glow sticks were originally invented by the US Military, [16] and are an essential part of military operations across land and sea, where they are more often referred to as chem lights. Glow sticks are also used within police tactical units, as light sources during night operations or close-quarters combat in dark areas. They are also used to ...

  8. Luminous gemstones - Wikipedia

    en.wikipedia.org/wiki/Luminous_gemstones

    "On its head was a very sparkling stone, like a Carbuncle, of inestimable price: That it commonly veil'd that rich Jewel with a thin moving skin, like that of a man's eye-lid: but that when it went to drink or sported himself in the midst of that deep bottom, he fully discover'd it, and that the rocks and all about receiv'd a wonderful lustre ...

  9. Light skin - Wikipedia

    en.wikipedia.org/wiki/Light_skin

    Light skin is a human skin color that has a low level of eumelanin pigmentation as an adaptation to environments of low UV radiation. [ 1 ] [ 2 ] Due to migrations of people in recent centuries, light-skinned populations today are found all over the world.