Multimedia Gallery
December 22, 2004
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Photo of the machine and sample assembly that the researchers used for their experiments.
Another photo of the machine and sample assembly that the researchers used for their experiments. In the closest photograph, powdered rock is visible around the sample edges.
Credit: Terry Tullis, Brown University; NSF
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
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