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Title: Stretching a string with soap

Description: A drop of detergent causes the surface tension of the water in the center of the loop of the string to decrease. This causes the water to pull away from the middle of the ring in all directions, taking the string with it and making it taut and circular.

Credits: Chris Rogers, Gareth McKinley, Erich Tisch, NSF


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Contributed By: Erich Tisch

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