Best of Web – Melvin Vang

Best of Web – Melvin Vang

Teis Schnipper takes a Japanese fan that flutters in a fluid with soap to create two vortices opposite from one another. I admire this picture because of the vivid colors it mixes and creates with just soap and possibly non-Newtonian effects at play. The flow coming from the vortices also create what can be thought of as “butterfly wings” which is interesting because it is made up of the flow around 80 oscillation periods back. The soap and vortices also appear to be travelling away from the fan seen by waves dissipating and getting smaller the further away they go from the tip. This is fascinating because the colors become less clear the further away it is pushed by the fan.

Photo Credit: Teis Schnipper

Schnipper, Teis, et al. “Japanese Fan Flow.” AIP Publishing, American Institute of PhysicsAIP, 1 Jan. 1970,

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5 Comments. Leave new

  • Bryce Gallo
    Sep 16, 2021 17:52

    Second prize. I really liked how the image almost keeps repeating like a fractal when you look close.

  • Kolby Koeck
    Sep 14, 2021 18:36

    Third Prize: I really like the multitude of colors in this image as well as the symmetrical and defined pattern that’s created.

  • Moayad Sindi
    Sep 14, 2021 12:15

    Third prize

    I like how the mix of the colors contrast and clear

  • Emmalie Markham
    Sep 13, 2021 12:49

    Third prize – The pattern is very interesting and I love how it is almost symmetrical. The mix of colors contrast well against each other as well.

  • Lily Pelton
    Sep 8, 2021 20:47

    First Place – the colors in this picture are just incredible and the method used with the fan is super cool. The patterns it made are beautiful and really intriguing how they formed.


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