[ Binary Bonsai] The Soviet Union built a number of automated lighthouses powered by radioisotope thermoelectric generators. [...] Critics argue that they are potentially dangerous, as the radioactive material could leak, leading to radioactive contamination, or be stolen and used in a dirty bomb (according to Bellona's report).
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[Xanga.com] Needed_a_source_check_it_ou's Xanga Site: The singer’s ancestry refers to the lighthouses and the fate of Jason and his Argonauts is representative of Earth’s fate if the ghastly nemesis is not destroyed immediately (They Might Be Giants).
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