DR MITSUO OHTSUKI / SCIENCE PHOTO LIBRARY DR MITSUO OHTSUKI / SCIENCE PHOTO LIBRARY
False-colour scanning transmission electron micrograph (STEM) of uranium atoms. The small dots are individual atoms, while the larger patches are clusters of 2-20 atoms. The field of view is 100 angstroms across. Magnification: X 3.5 million at 35mm size.
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