Daily Archives: February 11, 2019

Why is the Sky Blue?

Some Background In the image above, a beam of light passes through a medium. The medium slows down the light and causes it to refract. And the degree of refraction is dependent on the wavelength of light: shorter wavelength light will slow down more and therefore have a greater angle of refraction. See Cauchy’s equation … Continue reading Why is the Sky Blue? Continue reading

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