Why cant long-lasting luminous powder shine for eight hours?

1 Long-lasting luminous powder is a very weak light source, not an "illumination source." Its weak light source has applications of weak light sources, such as switch reminders;

2Night light powder begins to release its stored light energy after the light stops, and the light is consumed by the light, the brightness is attenuated, and the brightness is basically stable after a certain period of time;

3 Our naked eyes need to be familiar with the darkness or the dark environment to feel the true brightness of the long-lasting luminous powder. If you start from the light to the dark, the eyes have not been able to adapt, and the brightness of the previous luminous powder decays quickly. Characteristics, creating an illusion.

Prosperity reminds that the luminous powder is weak light, the brightness decay is its characteristic is normal, the long-lasting luminous powder can shine in the dark for more than 8 hours, but the brightness is very low, sometimes the meat is difficult to detect.

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