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Home Q & A Board Biology-Related Homework Help General Biology
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stevepham stevepham
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Posts: 23
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9 years ago


I am curious about what is the things that makes the watch shine in the dark. I am in search of the information about this chemical. But I failed to

I would be grateful if someone could give me the name of the things that make Seiko shine.

Thanks in advance Slight Smile
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#1
Educator
9 years ago
It is due to the phosphorus. This is called phosphorescence. In simple terms, phosphorescence is a process in which energy absorbed by a substance is released relatively slowly in the form of light. This is in some cases the mechanism used for "glow-in-the-dark" materials which are "charged" by exposure to light. Phosphorescent materials "store" absorbed energy for a longer time, as the processes required to re-emit energy occur less often.
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