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Physicists at Pacific Northwest National Laboratory are working¬¬¬¬¬¬¬¬¬¬¬ to develop and apply new methods for x-ray imaging which provide enhanced information. This x-ray image of two dandelions illustrates how gratings-based x-ray imaging provides information on small angle x-ray scatter (red scale) in addition to conventional absorption radiography (gray scale). Here, the soft umbrella-like structures that carry the seeds through the air are revealed by scattering. This enhancement to x-ray imaging may eventually impact many applications including highlighting porous regions in geological samples, helping to distinguish between explosives and benign materials for security screening, and even improving medical imaging.

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Document Title: X-ray Images of Two Dandelions
Category: Science as Art
Media Type: Photos
Date of Image/Photo:
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URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/DRAE-9NDR33

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