The March 2011 earthquake and tsunami-ravaged parts of northeastern Japan. The devastation was followed by the accident at the Fukushima nuclear reactors, which led to radioactive contamination. These events drew the attention of Japanese people to the relationships between science and technology and between society and politics. Daqing Yang's Technology of Empire: Telecommunications and Japanese Expansion in Asia, 1883-1945 provides insights that allow readers to better understand the history of these relationships.