WTF Fun Fact – Missing Radioisotope Thermoelectric Generators

The USSR built a chain of remote lighthouses along the arctic coast, each one powered by it’s own miniature nuclear generator. Over 1000 of these RTG’s (Radioisotope Thermoelectric Generator) were put in place but several remain unaccounted for. – WTF Fun Facts

Source: The nuclear lighthouses built by the Soviets in the Arctic – BBC Reel

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