Mostly blowing up cities and military facilities in a war.
Project Plowshare in the 1950s and early 1960s studied a variety of peaceful uses, but these ideas were mostly dropped after the atmospheric test ban treaty of 1963.
Nuclear. At the time it was called an atom bomb.
To make deadly Nuclear bomb
No.
Nuclear fusion.
In the Nagasaki bomb, about 14 pounds. Design criteria on later weapons is classified.
The cost of the plutonium used in a nuclear bomb can vary greatly, depending on factors such as purity, quantity, and production method. However, estimates suggest that the plutonium used in a typical nuclear bomb could cost millions of dollars.
It wasn't just one bomb.. It was a huge nuclear bombardment during the Great War with China.
Only the United States has used nuclear weapons in combat, that was the two bombs dropped by B-29s on Japan to end WW2.
Te nuclear bomb
Only the USA
United States in a bomb!
Plutonium