John Whiteman

John Whiteman

This image captures a reaction between vegetable oil, water, and food dye. To start the drops of dye were suspended in a layer of vegetable oil above the water, when the droplets fall out of the oil they begin diffusing into the water. Since cold water was used the rate of diffusion is slowed and the dye particles stay grouped together for a long time.

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6 Comments. Leave new

  • Tobin Price
    Sep 12, 2022 12:39

    Similar to Tristan, I also really liked the contrast between the dense, dark sections of the fluid and the lighter portion at the bottom. I wanted to ask about the motivation behind adjusting the hue of the image to emphasize the colors that you did?

  • Sander Leondaridis
    Sep 9, 2022 13:36

    Great image. Love that you can see the diffusion driven flow as well as the colorful bubbles at the top of the image.

  • Tristan Martinez
    Sep 9, 2022 13:18

    I love the contrast between the dark, defined streaks, and the more diffuse bottom of the image. I also like the laminar nature of the sinking fluid near the top!

  • Heider Iacometti
    Sep 9, 2022 13:16

    The lighting effect you used was pretty cool. I like how it pretty much eliminates everything except what you wanted to capture.

  • Anders Hamburgen
    Sep 9, 2022 13:07

    I appreciate the colors you chose for this. Whichever dyes you chose, it’s so cool that you see the spectrum from red-green with oranges and yellows in between. The reflections on the pockets of dye on top are interesting too.

  • William Watkins
    Sep 9, 2022 13:06

    I really enjoy that you can see the bubbles of food coloring at the surface of the oil. I also love the idea behind the photo for how this phenomenon works.


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