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New 3-D Map of Universe Is Best One Yet | Milky Way & Neighbor Galaxies | 2MRS Survey Map, 218th Meeting of the American Astronomical SocietyThis story was updated at 11:29 am ET.
Last year physicists working on the ALPHA experiment at the CERN particle-physics lab became the first to capture and store atoms of antimatter for long enough to examine it in detail. They trapped 38 antihydrogen atoms for about one fifth of a second. Now, the same team has posted a paper on the arXiv preprint server describing how it trapped 309 antihydrogen atoms for 1000 s.
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