Rayleigh Scattering
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
Scattering that occurs when the particle size is much smaller than the wavelength. The higher the frequency (shorter the wavelength), the stronger the scattering. Blue light has a short wavelength, so it is strongly scattered by the atmosphere, filling the sky (making it blue); red light has a long wavelength and strong penetration (making sunsets red).
SCAFFOLDING EFFECT
Reduce cognitive load
Distinguishing the penetrating power of noise versus signal. Trivial details and emotional gossip (blue light/short wave) are overwhelming and easily occupy the field of vision, but have extremely poor penetration; only grand trends and underlying logic (red light/long wave) can penetrate the thick fog and reach the distance.
Anchor fast decisions
Rayleigh scattering is the elastic scattering of light by particles much smaller than the wavelength, with intensity inversely proportional to the fourth power of the wavelength, so short-wave blue light is scattered more strongly.
MINIMUM ACTION
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Source support: Explicit
- zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E7%91%9E%E5%88%A9%E6%95%A3%E5%B0%84verified
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