A simple cylinder in a steady flow creates a beautiful wake pattern known as a von Karman vortex street. The image above shows several examples of this pattern. Flow is from bottom to top, and the Reynolds number is increasing from left to right. In the experiment, this increasing Reynolds number corresponds to increasing the flow velocity because the cylinder size, fluid, and temperature were all fixed. As the Reynolds number first increases, the cylinder begins to shed vortices. The vortices alternate the side of the cylinder from which they are shed as well as alternating in their sense of rotation (clockwise or counterclockwise). Further increasing the Reynolds number increases the complexity of the wake, with more and more vortices being shed. The vortex street is a beautiful example of how fluid behavior is similar across a range of scales from the laboratory to our planet’s atmosphere. (Image credit: Z. Trávníček et. al)
"The work consists entirely of an appropriation of Alfred Hitchcock's 1960 Psycho slowed down to approximately two frames a second, rather than the usual 24. As a result it lasts for exactly 24 hours, rather than the original 109 minutes.
The film was an important work in Gordon’s early career, and is said to introduce themes common to his work, such as recognition and repetition, time and memory, complicity and duplicity, authorship and authenticity, darkness and light.”