Category:Positrons
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| − | [[File:Positron 1933 First Positron Observed Attribution.jpg|200px|thumb| | + | [[File:Positron 1933 First Positron Observed Attribution.jpg|200px|thumb|right|A 1933 cloud chamber photograph of the first positron ever observed - Photo by Carl D. Anderson.]] |
[[Category:Particles|{{PAGENAME}}]] | [[Category:Particles|{{PAGENAME}}]] | ||
Revision as of 16:00, 22 November 2012
IEEE GHN Category
