This is not black magic. This is physics. This is laminar flow. (Jr IS guest blog by Emma Brinton)

For my Junior Independent Study, I looked into some cool physics videos to find an interesting topic to explore. I found a youtube video about the University of New Mexico Couette cell apparatus for demonstrating laminar flow and decided that watching fluid blend together and then separate out again was an interesting concept. The project I designed was to bring this apparatus to the College of Wooster and then experiment with it. I looked into how accurately a line of color could be returned to its original location after being rotated at various angular velocities and if the transition was more accurate at varying depths below the surface of the fluid.

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