Bayan yaƙin, an sake farfado da sha'awar ƙirar rami mai rami. Fa'idarsa a bayyane ita ce cewa wani ɓoyayyen ɓoye na plutonium, wanda aka lalata shi da girgiza shi zuwa ciki zuwa tsakiyarsa mara kyau, zai ɗauki ƙarfin zuwa cikin haɗuwa mai ƙarfi a matsayin ƙirar ƙira. Zai zama mai ɗaukar kansa, yana buƙatar ƙaramin U-238 mai lalata, babu mai tura aluminium da ƙananan fashewa. Tambaya: Wace irin ƙaramar magudi za a buƙaci?
U-238