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Stilling Waves with Ordered Molecular Monolayers
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Department of Physical Sciences, Kutztown University, Kutztown, PA 19530
Department of Chemistry, University of Wisconsin–Madison, Madison, WI 53706
J. Chem. Educ., 2008, 85 (8), p 1064
DOI: 10.1021/ed085p1064
Publication Date (Web): August 1, 2008
Abstract
A demonstration of the damping effect of an oil monolayer on water waves is described. The history of this remarkable demonstration—with a 2000 (or more) year span—and a brief explanation in terms of the properties of water and the monolayer are presented. If a layer of olive oil, one molecule thick (about one-ten millionth of a centimeter), is applied to the surface of rough water, the waves are dramatically calmed. The amazing ability of a film one molecule thick to dissipate the relatively large energy of water waves can be readily demonstrated, but an explanation of the effect has been elusive until recently.
Keywords (Audience):
Elementary / Middle School ScienceKeywords (Domain):
DemonstrationsKeywords (Feature):
JCE DigiDemos: Tested DemonstrationsKeywords (Subject):
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- Received: August 03, 2009
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