Khan Academy Static

Why do we see colors in oily water and soap bubbles? Sometimes we see red, sometimes blue, and sometimes it appears as though we see nothing at all. Experiment with soap film to observe the behavior and colorful appearance of different wavelengths of light.

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17250_Create_your_soap_film_viewer_Materials_tools_and_steps.html

17249_Introduction_Why_do_we_see_colors_in_oily_water_and_soap_bubbles_.html

17252_What_s_going_on_Reflections_interference_and_a_water_sandwich_.html