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Shadow of steam.

  1. Jul 5, 2014 #1
    My mother was ironing clothes a few days ago, and the iron was really hot. It was giving out steam, i couldn't see it, but i could see its shadow on the wall. How so?
    Last edited: Jul 5, 2014
  2. jcsd
  3. Jul 5, 2014 #2


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    Staff: Mentor

    I believe it is caused by the refraction of the light going through varying pockets of cold and hot air/steam. The different pockets lead to some light being refracted more or less than others and forming a wavy pattern of dark and light areas on the wall.
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