Wristwatch hands and dials have long been coated with luminous paint to make them visible in the dark. Conventional luminous paints had their issues though, so one Japanese company developed an alternative – a new type of phosphorescent pigment that's ten times brighter and lasts ten times longer. Their pigments are now used on virtually all the world's luxury watches. With a long afterglow and no need for power, they are ideal for emergency signs and guideways. Beginning with textile applications, this new technology is also inspiring designers in a host of other fields.
Video by Ministry of Foreign Affairs of Japan
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