Once China produced weapons-grade uranium, it assembled its first atomic bomb in as little as three to five weeks. Iran may ...

My new National Defense University monograph uses primary sources such as biographies of Chinese nuclear weapons scientists, press reports, and technical articles to answer these questions.

How close were the Nazis to developing an atomic bomb ... German nuclear weapons effort had it) because of a mistake the physicist Walther Bothe made when he measured the neutron absorption ...