Template:Are You Sure/July 11

... that Blue Peacock was a British tactical nuclear weapon project in the 1950s which designed and built ten-kiloton nuclear mines for deployment in Germany; that cold weather presented technical challenges; and that live chickens were proposed as a heating system: the chickens would be sealed inside the casing, with a supply of food and water, remaining alive for a week or so, with the chickens' body heat keeping the mine's components at a working temperature?