Tirohia te wāhanga i raro nei, kātahi ka whakautu i te pātai i muri mai i te reo kotahi me te wāhanga:  Passage: Ko te mahi tuatahi ki te whakamahi i te hononga honohono i waenga i te wehenga me te whakakotahitanga ko te hoahoa o te 1940 e whakaranu ana i te wahie wehenga me te whakakotahitanga i roto i nga paparanga angiangi. I te mea he pūrere atamira-kotahi, ka waiho hei tono taumaha o te wehenga whakarei. Ko te mea tuatahi i whai hua i te wa i whakauruhia ki te tuarua o te patu thermonuclear e rua nga waahanga. Ko te ingoa o te US, Alarm Clock, i ahu mai i a Teller: i karangahia e ia na te mea ka taea e ia te "whakaara i te ao" ki te pea o te kaha o te Super. Ko te ingoa Ruhia mo te hoahoa ano he whakaahua ake: Sloika (Russian), he keke keke. I whakamatautauria te Sloika Soviet kotahi-taahiraa i te Akuhata 12, 1953. Kaore i whakamatautauria tetahi waahanga-kotahi o te US, engari ko te Union i pupuhi i te Operation Castle, i te Paenga-whawha 26, 1954, he taputapu thermonuclear e rua-waahanga i tapaina ko Alarm Clock. Ko tōna hua, i Bikini, e 6.9 megatons.  Pātai: He aha te rahi o te pōro whakaoho?
6.9 megatons