In light of recent events in Japan, the topic of nuclear power has become very important. About Chernobyl,

The accident, which occurred March 28, 1979 at the plant Three Mile Island (Three Mile Island), located near Harrisburg, the capital of Pennsylvania, considered the largest nuclear accident in the U.S.. Before the Chernobyl accident on April 26, 1986, accident at Three Mile Island was considered the most serious nuclear accident in the world. As a result of this accident, the reactor core station was very badly damaged, and part of the nuclear fuel melted. One result of this accident was that after the development of nuclear energy in the United States was virtually frozen.