When reading the title of this article, I'm sure you are a little hesitant, may not even believe it. What is perhaps 15,000 years BC, there is nuclear war and human civilization has been so high? In fact, nuclear technology is a hi-tech technology is done by the physicists. Small errors that occur in equipment or process can be disastrous, spreader death. Such as leakage in Chernobyl's nuclear reactor Russia is considerable loss of life due to radioactive radiation.
