Scientists working on the project realised that the bomb could fail in winter if vital components become too cold, so they explored ways of keeping the inner workings warm. One proposal put forward consisted of filling the casing of the nuke with live chickens, who would give off sufficient heat, prior to suffocating or starving to death, to keep the delicate explosive mechanism from freezing. Despite the potential importance of chickens to the project, the mine was codenamed 'Blue Peacock'.
The plan was never carried out.
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