Never.
The first nuclear explosion was on July 16, 1945 in the Journado Del Meurto inside what is now Whitesands Proving Grounds.
Enrico Fermi achieved the first controlled nuclear reaction on December 2, 1942, in a makeshift lab under the stands of Stagg Field at the University of Chicago. This successful demonstration of a self-sustaining nuclear chain reaction marked a significant milestone in the development of nuclear energy and the atomic bomb.
Leo Szilard in 1933, he patented them the next year in the UK. But he could not build them by himself. It took 12 more years and a huge investment in industrial infrastructure before the US built the first bombs and usable nuclear power had to wait until after the war.
I think mainly because of the history of its use in WW2 as a weapon, this was the first time the general public were aware of nuclear power and the fear of its use in wartime has meant a continuing suspicion of it and scientists involved. As an industrial process for producing electricity it might not have attracted such suspicion if it had never been used as a weapon. It has a pretty good record of safety, even with the Chernobyl disaster having occurred, compared with other high energy industries such as coal mining. As an example of what can happen with industrial processes, take the example of the Union Carbide plant explosion in India (I forget the year). About 4000 people died due to exposure to dioxins, this was far worse than Chernobyl.
It is now 2009 so this question is out of date
Nuclear scientists can earn a wide range of salaries depending on factors such as experience, location, and employer. On average, nuclear scientists in the United States can earn anywhere from $70,000 to over $150,000 per year.
1986, the same year as the Challenger Space Shuttle explosion.
July 16, 1945 just before dawn
July 16, 1945 just before dawn
Nuclear test plan is a plan where Pokhran explosion is included.
I don't know of one specifically, there was still underground nuclear testing at the time so there might have been several that year. If you are thinking of the reactor explosion at Chernobyl that year, that was not a nuclear explosion, just a large steam explosion when the coolant water flash vaporized blowing the roof off the reactor. Once the graphite moderator in the core was exposed to air it caught fire, this was the worst part of the disaster as burning graphite is nearly impossible to put out and the smoke was carrying all kinds of radioactive material from deep in the core.
1942
1945
Fallout is the residual radiation that falls out of the atmosphere after a nuclear explosion .If you mean the video game it takes place in 2077
The first nuclear reactor was in former Soviet Union that operated in year 1954 at obninisk.
1949
1945
There were no nuclear tests in Mississippi.