Add Yahoo as a preferred source to see more of our stories on Google. The US Army fired a nuclear weapon from its atomic cannon for the first and last time 69 years ago. The cannon, initially named ...

Add Yahoo as a preferred source to see more of our stories on Google. Part of Operation Upshot-Knothole, was a 15-kiloton test fired from a 280-mm cannon on May 25, 1953 at the Nevada Proving Grounds.

You might rest better at night thinking the U.S. Military has a good handle on what is and what isn't a bad idea in a combat setting. Should America and its NATO allies start wrestling in the mud with ...

Key Point: The Soviets lost interest in launching nuclear weapons from tanks, but their usefulness has not disappeared. In the 1950s and 1960s when tactical nuclear weapons were expected to rule the ...

How big is an atomic bomb? It took a B-29 to carry the first one, dropped on Hiroshima, which may have weighed more than 10,000 Ibs. The Army’s announcement last week that it will abandon its ...

From atomic clocks to secure communication to quantum computers: these developments are based on the increasingly better control of the quantum behaviour of electrons in atomic shells with the help of ...

In Exercise Long Horn, the vast Army-Air Force mock war in Texas, the green-clad Aggressor forces had just seized a position deep behind the defenders’ lines and were massing for a new attack.