Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Kuedza kwokutanga kushandisa ukama hwokuwirirana pakati pokuparadzaniswa kwezvemvura nokupindirana kwaiva kugadzirwa kwema1940 uko kwakasanganisa mafuta okuparadzaniswa kwezvemvura nokupindirana kwemvura mumatanho matete anochinjana. Sechinhu chine danho rimwe chete, kwaizova kushandiswa kunorema kwokuparadzaniswa kwakasimbiswa. Yakatanga kuva inoshanda apo yakabatanidzwa muchikamu chechipiri chechombo chenyukireya chine nhanho mbiri. Zita reU.S., Alarm Clock, rakabva kuna Teller: akaidana kudaro nokuti raigona "kumutsa nyika" kuti ione mukana weSuper. Zita rechiRussian rokugadzira zvimwe chetezvo raiva rinorondedzera zvikuru: Sloika (chiRussian), keke remakeke rakaiswa mumatanda. Sloika yeSoviet ine nhanho imwe yakaedzwa musi waAugust 12, 1953. Hapana shanduro yeUnited States yechikamu chimwe chete yakaedzwa, asi pfuti yeUnion yeOperation Castle, April 26, 1954, yakanga iri chigadziro chechipiri che thermonuclear chinyorwa chinonzi Alarm Clock. Chibereko chayo, paBikini, chakanga chiri 6.9 megatons.  Mubvunzo: Bhomba reAlarm Clock rakanga rakakura sei?
6.9 megatoni