President Donald Trump ordered the Department of War to resume testing nuclear weapons “on an equal basis” with Russia and China on Thursday, a practice halted by the U.S. in 1992. The announcement ...

Nuclear bomb effects computer in pocket. Also issued online. NASM copy: Circular computer lacking. MSRL copy "Changes as of Feb. 1964" inserted. 1. General principles of nuclear explosions -- 2.

The Castle Bravo nuclear test produced an explosive yield of 15 megatons and was 1,000 times more powerful than the bomb that destroyed Hiroshima.