British hydrogen bomb programme Atomic Energy Act of 1946 (also known as the McMahon Act) ended technical cooperation. Fearing a resurgence of American isolationism, and the loss of Britain's great power status, the British government resumed its own development effort, which was codenamed "High Explosive Research". The successful nuclear test of a British atomic bomb in Operation Hurricane in October 1952 represented an extraordinary scientific and technological achievement. Britain became the world's third nuclear power, reaffirming the country's status as a great power, but hopes that the United States would be sufficiently impressed to restore the nuclear Special Relationship were soon dashed. In November
Atomic Energy Generation Device Case Atomic Energy Generation Device Case The "Atomic Energy Generation Device "Case (原子力エネルギー発生装置事件) is a 1969 decision of the Supreme Court of Japan concerning the patentability of a method of transformation of atomic nuclei. All members of the patent family had been granted in other countries, and the Japan Patent Office (JPO) did not find any prior art which could destroy the novelty and inventive step of claimed inventions. However, the JPO rejected the patent application as being lack of industrial safety requirements. This is the first Japanese Supreme Court case concerning patentable subject matter. In 1940, the "Commissariat à l'énergie