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Surface tension

Surface tension is an effect within the surface layer of a liquid that causes the layer to behave as an elastic sheet.

It is the effect that allows insects (such as the water strider) to walk on water, and causes capillary action, for example..

For more information about the topic Surface tension, read the full article at Wikipedia.org, or see the following related articles:

Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Surface tension at Wikipedia.org. See the Wikipedia copyright page for more details.

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Robot Walks on Water

A new robot made of ultralight carbon-fiber can stand or slowly walk on water. The principle it uses is borrowed from insects -- surface tension. ...  > full story

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