+A Doomsday Device is a hypothetical mechanism capable of triggering [Global Annihilation](/wiki/global_annihilation), often through a [Nuclear War](/wiki/nuclear_war). Such a system is conceived to deter attack, ensuring ultimate destruction for all involved.
+## See also
+- [Cold War](/wiki/cold_war)
+- [Nuclear Weapons](/wiki/nuclear_weapons)
+- [Existential Risk](/wiki/existential_risk)
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