Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Kupfuura: Masayendisiti mazhinji, kubatanidza Leó Szilárd, uyo akanga ari mumwe wokutanga, akaziva kuti kudai kupatsanuka kwaibudisa ma neutrons akawanda, kugadzirwa kwenyukireya kunozvichengeta kwoga kwaigona kuguma nako. Apo ikoku kwakabvumikiswa nokuedza ndokuziviswa naFrédéric Joliot-Curie muna 1939, masayendisiti munyika dzakawanda (kusanganisira United States, United Kingdom, France, Germany, uye Soviet Union) akakumbira hurumende dzawo rutsigiro rwekutsvakurudza kupatsanuka kwenyukireya, pakunanga kweHondo Yenyika II, nokuda kwokugadzirwa kwechombo chenyukireya.  Mubvunzo: Rudzii rwezvinhu zviduku runogona kuita kuti nyukireya iite cheni inozvitsigira?
neutroni