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Press Release 05-105

The Shifty Nature of Grains

Qualities of granular materials provide insight into both nature and industry

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A Duke University researcher studies the properties of granular materials.

A Duke University researcher holds a test cylinder used to study the properties of granular materials. In polarized light, the cylinder changes color when pressure is applied. See the Duke University press release for video.

Credit: Duke University


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Researchers review data from study of the behavior of granular materials.

Graduate student Eric Corwin (seated) and physics professor Heinrich Jaeger at the University of Chicago review data from their new study on how the behavior of granular materials changes from a jammed to a flowing state. The screen in the foreground displays lines of force as they are transmitted from one class bead to another in response to the application of force from above.

Credit: Photo by Lloyd DeGrane, University of Chicago


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Engineer and physicist Bob Behringer and graduate student Trushant Majmudar

Duke University engineer and physicist Bob Behringer (right) and graduate student Trushant Majmudar with the apparatus they used to study the properties of granular materials.

Credit: Duke University


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