Both fluorescent and photo-luminescent materials have the ability to emit light. Fluorescent materials emit light instantly upon absorbing energy from an external light source, creating a bright colourful glow, whereas photo-luminescent materials store light energy and then emit it gradually after the light source is removed, resulting in a soft, long lasting glow in the dark.  Fluorescent Materials: Fluorescence is where a material absorbs light at one wavelength and re-emits it at a longer wavelength, typically visible light. This process occurs instantly, creating a vibrant colourful glow. Characteristics of Fluorescent Materials: Instant Emission: Fluorescent materials emit light as soon as they absorb energy, resulting in an immediate and vivid glow. External Light Source Required: Fluorescent materials rely on an external light source to...

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