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U.S. Department of Energy Office of Science

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The ring pattern from the new transmission X-ray diffraction analysis is from the polycrystalline nature of the alloy - in other words, it indicates that the atoms are arranged in small crystalline regions (called grains) that have many different orientations.

Finding a Needle in a Crystalline Haystack

New X-ray technique reveals the presence of one-in-a-million large crystalline regions from metals fatiguing—stabilization schemes could lead to impervious metals.

Researchers discovered how green fluorescent proteins (center) react with water (shown around the edges of the protein).

New Insight on a Familiar Glow

A new approach to investigating green fluorescent protein provides a vital tool for unraveling molecular-level details of processes important in biology and light harvesting for energy use.

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