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From New Scientist Tech - Latest Headlines:
Phosphorescent resins that glow across the entire spectrum, and even produce white light, put their eerie blue or green predecessors to shame.
Glow-in-the-dark materials that shine with the whole range of visible colours, and can even produce white light, have been developed by Japanese researchers.
The team from Ryukoku University, Kyoto, say they can be used to provide lighting and clearly readable signs in emergencies without the need for electricity.
Using glow-in-the-dark - or phosphorescent - materials in this way is rare. But the International Commission on Illumination (CIE), the international authority on lighting, has suggested buildings be fitted with emergency lighting and signs that work without power as standard.
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