Taylor-Saffman instability in a Hele-Shaw cell. The pressure of rapidly injecting water lifted the top sheet, inducing the instability around the outer edge of the honey as air entered.

Taylor-Saffman instability in a Hele-Shaw cell. The pressure of rapidly injecting water lifted the top sheet, inducing the instability around the outer edge of the honey as air entered.

By Alex Unger, Eric Fauble, Scott Hodges, and Zac Rice for Spring 2014 Team First.
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