Optical brightener
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Optical brighteners, optical brightening agents, fluorescent brightening agents, or fluorescent whitening agents, are chemical compounds that absorb light in the ultraviolet and violet region of the e
Laundry detergent fluorescing under ultraviolet light
Fluorescence
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Fluorescence is one of two kinds of photoluminescence, the emission of light by a substance that has absorbed light or other electromagnetic radiation. When exposed to ultraviolet radiation, many subs
Optical brightener
…region (usually 340-370 nm) of the electromagnetic spectrum, and re-emit light in the blue region (typically 420-470 nm) through the phenomenon of fluorescence. These additives are often used to enhance the appearance of color of fabric and paper, causing a "whitening" effect; they make intrinsically yellow/orange…
Fluorescent minerals emit visible light when exposed to ultraviolet.
Fluorescent marine organisms
Fluorescent clothes used in black light theatre production, Prague
A cup made from the wood of the narra tree (Pterocarpus indicus) beside a flask containing its fluorescent solution Lignum nephriticum