Surviving An Apocalypse (Narration Only)
Science & Futurism with Isaac Arthur
00:00
The Kill Radius of Nuclear Explosions
A megaton nuclear device which is much larger than most of those built has a kill radius of about 5 miles or 8 kilometers. There was no scenario during the Cold War where everyone could be killed by the bombs unless everyone agreed to gather in all the major cities and preferably stand outside. A concrete wall is going to protect you quite well against an explosion too conventional or atomic at a much closer distance than standing in the open wood.
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