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Ranar 5 ga Janairu, 1845, ministan al'adun Prussian ya sami buƙatu daga ƙungiyar samari shida don kafa sabuwar Ƙungiyar Jiki a Berlin. A cikin fagage daga thermodynamics, injiniyoyi, da electromagnetism zuwa wutar lantarki na dabba, ilimin ido, da ilimin halin ɗan adam, membobin wannan ƙaramin rukuni amma girma-wanda nan da nan ya haɗa da Emil Du Bois-Reymond, Ernst Brücke, Werner Siemens, da Hermann von ...
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