Best of Web Fall 2022 – Lucas Fesmire

Best of Web Fall 2022 – Lucas Fesmire

This image is a still from a video called “How To See Air Currents” posted to the YouTube channel “Veritasium”. The video describes Schlieren imaging, a technique developed by German physicist August Toepler to better understand and visualize fluid flow. Transparent fluids appear clearly in the image due to the varying refractive index among different fluids.

I thought this image was very interesting as it reveals an aspect of fire that’s invisible to the human eye. Usually, the flame is the most captivating part of a fire but in this case, the warm gasses rising from the flame look even more spectacular. The flow of the heated gasses is laminar as it leaves the flame but quickly becomes turbulent as it rises in the air. The light green background paired with the black foreground provides great contrast for the image as well.

The video can be found here.

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5 Comments. Leave new

  • 2021AbdullahB
    Sep 15, 2022 00:48

    Second Prize: being able to capture the color of the flame and isolate anything else.

  • Kelsie Kerr
    Sep 14, 2022 19:40

    First prize – this image is so crisp and interesting! The color and saturation of the image make it really nice to look at.

  • Isaac Martinez
    Sep 14, 2022 13:57

    1st Place: The flame being the only bright color draws instant attention, and the smoke trail is incredibly satisfying. Its a cool contrast between the silhouetted hand and the flame as well.

  • Robbie Cooper
    Sep 14, 2022 12:19

    1, Schlieren all the way

  • Tobin Price
    Sep 14, 2022 11:28

    First place – Incredible image composition and crystal clear visualization of heat flow from the match


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