At Coldplay's concert, we saw luminous objects waving in the distance of the stage. In fact, this is the fans wearing glowing wristbands, this is the glow in the dark silicone wristbands. After listening to the concert, what should we do if we find that the wristband is not bright during the day? How to make Coldplay wristbands light up again? In fact, it's very simple. The glow wristbands need to absorb light for awhile, and then put it in the dark environment to shine again. We need to know how to make Coldplay wristbands light up again. First of all, we need to know that this glow in the dark silicone wristband is made by adding phosphor to the silicone wristband. Phosphorescent powder is irradiated by natural light, sunlight, ultraviolet light and so on. It stores the light energy. After stopping illumination, it releases slowly in the form of fluorescence. Therefore, in the night or in the dark, it can still see the light, lasting for several hours to more than ten hours.
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