Rubuta ci gaba don wannan sakin layi - Yaƙin Duniya na II ya haifar da ƙarin fasaha. An tabbatar da darajar jirgin saman jirgin sama a cikin fadace-fadace tsakanin Amurka da Japan kamar yakin Midway
Ka yi haƙuri. Radar an ƙirƙira shi da kansa ta hanyar Allies da Axis iko. Yana amfani da raƙuman rediyo don gano abubuwa. Janar Franco ne ya kirkiro Molotov cocktails a yakin basasar Spain, yana jagorantar Nationalists don amfani da su a kan tankunan Soviet a cikin harin da aka kai Toledo. Bomba na atomatik ya bunkasa ta Manhattan Project kuma ya fadi a Hiroshima da Nagasaki a 1945, da sauri ya kawo karshen yakin duniya na biyu.