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Added 2022-09-30 20:46:07 +0000 UTCDo you remember that white in physics is the sum of all colors? And black is the complete absence of color. A prism, due to its structure, refracts a white beam inside itself and gives a color spectrum at the output.
![CandidCrushTrample[CCT]](https://ikehaku.com/istorage/34805.jpg)
