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Bend of light?

  1. Nov 30, 2007 #1
    In summer, sometimes you see heatwaves coming out of the hot concrete. I'm curious as to why light is bent or distorted and you cant really see clearly through these heat waves.
  2. jcsd
  3. Nov 30, 2007 #2
    Are you familiar with "refraction"?
  4. Nov 30, 2007 #3
    hmm, i forgot about that from last year :D
  5. Nov 30, 2007 #4
    the light is passing through air with different densities due to heat i.e. refraction
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