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Does the Sun Make Whites Whiter?

Published in Science 1 min read

The sun does not make whites whiter. While sunlight can bleach certain fabrics and materials, it does not change the color of white objects.

Here's why:

  • White is the reflection of all colors: White objects reflect all wavelengths of light, which is why we perceive them as white.
  • Sunlight contains all colors: Sunlight is a mixture of all colors of the visible spectrum.
  • Sunlight can bleach: Prolonged exposure to sunlight can cause certain materials, like fabrics, to fade or bleach. However, this is due to the breakdown of the material's chemical structure, not a change in the color itself.

Therefore, the sun doesn't make whites whiter; it can only cause certain materials to fade or bleach due to the breakdown of their chemical structures.

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