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  1. Learn about the photoluminescent process that makes some materials glow after absorbing energy and releasing it slowly. Discover why green is the most common glow in the dark color and how other colors and processes work.

  2. Feb 27, 2024 · Learn about the phosphors and radioactive elements that make some objects glow in the dark. Find out how to charge, recharge and use glow-in-the-dark items safely.

  3. Mar 11, 2019 · Learn about the different types of luminescence, such as photoluminescence, bioluminescence, chemiluminescence and radioluminescence, that make glow-in-the-dark products possible. Explore the history of phosphorus, glowsticks and other examples of glow-in-the-dark science.

    • Mary Bellis
  4. Discover the science behind the phenomenon of glow in the dark, and how it can be used for fun and practical purposes. Learn more on sciencefocus.com.

  5. Oct 19, 2015 · Learn about different types of luminescence and see examples of glowing objects and substances. Find out how chemiluminescence, bioluminescence, incandescence, triboluminescence, radioactivity, and phosphorescence produce light.

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  6. Nov 27, 2012 · Glow-in-the-dark toys have phosphorescence. That means they contain special substances called phosphors. Phosphors give off visible light after being energized. This means they have to soak up light for a while before they will glow in the dark. Sometimes glow-in-the-dark objects will only glow very weakly for a short time. Often, you have to ...

  7. Nov 9, 2016 · Well, it's actually a pretty interesting side-effect of our metabolisms. As Elliot Bentley sums up for The Guardian, human bioluminescence is "the result of highly reactive free radicals produced through cell respiration interacting with free-floating lipids and proteins". These excited molecules can then interact with fluorophores, which can ...