Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: A cikin 1941, tare da Yaƙin Duniya na II yana ɓarna a Turai amma Amurka ba ta shiga yaƙi ba tukuna, Feynman ya shafe lokacin rani yana aiki kan matsalolin ballistics a Frankford Arsenal a Pennsylvania. Bayan harin da aka kaiwa Pearl Harbor ya kawo Amurka cikin yaƙin, Robert R. Wilson, wanda ke aiki a kan hanyoyin samar da uranium mai wadata don amfani da bam din nukiliya, a matsayin wani ɓangare na abin da zai zama Manhattan Project. Tawagar Wilson a Princeton tana aiki ne a kan wata na'urar da ake kira isotron, da aka yi niyyar raba uranium-235 daga uranium-238 ta hanyar lantarki. An yi wannan a wata hanya dabam da ta amfani da calutron wanda ke ƙarƙashin ci gaba ta ƙungiyar a ƙarƙashin tsohon malamin Wilson, Ernest O. Lawrence, a Laboratory Radiation na Jami'ar California. A kan takarda, isotron ya kasance sau da yawa ya fi tasiri fiye da calutron, amma Feynman da Paul Olum sun yi gwagwarmaya don sanin ko yana da amfani. A ƙarshe, a kan shawarar Lawrence, an yi watsi da aikin isotron.A wannan lokacin, a farkon 1943, Robert Oppenheimer yana kafa Laboratory na Los Alamos, wani dakin bincike na sirri a kan mesa a New Mexico inda za a tsara da kuma gina bama-bamai na atomatik. An ba da tayin ga ƙungiyar Princeton don sake turawa can. Daga baya Wilson ya tuna: "Kamar rukunin sojoji da suka ƙware, muka sa hannu, gaba ɗaya, mu tafi Los Alamos". Kamar sauran matasa masana kimiyyar lissafi, ba da daɗewa ba Feynman ya fada cikin sihiri na Oppenheimer mai ban sha'awa, wanda ya kira Feynman daga nesa daga Chicago don sanar da shi cewa ya sami asibiti a Albuquerque, New Mexico, don Arline. Sun kasance cikin na farko da suka tafi New Mexico, suna tafiya a jirgin ƙasa a ranar 28 ga Maris, 1943. Jirgin kasa ya ba Arline keken guragu, kuma Feynman ya biya ƙarin don ɗaki mai zaman kansa a gare ta. A Los Alamos, an sanya Feynman ga Hans Bethe's Theoretical (T) Division, kuma ya burge Bethe sosai don a sanya shi shugaban rukuni. Shi da Bethe sun kirkiro tsarin Bethe-Feynman don kirga karfin bam din fission, wanda...  Tambaya: Me Feynmann ya taimaka wa injiniyoyi da shi?
tsara hanyoyin tsaro don adana kayan aiki