Reference Terms
from Wikipedia, the free encyclopedia

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.

Note:   The above text is excerpted from the Wikipedia article "Surface tension", which has been released under the GNU Free Documentation License.
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July 7, 2015

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updated 12:56 pm ET