Dome over nuclear reactor

SEABROOK, N.H.--CNET reporter Martin LaMonica this week got a tour of Seabrook Station nuclear power plant in New Hampshire. Here is the dome covering the nuclear reactor.

The plant was first constructed in the late 1970s, but it didn't start operating until 1990 due to legal challenges and a change in ownership. The plant is now seeking to renew its original 40-year license for another 20 years. More than half of the nuclear plants in the United States have been given 20-year extensions to their licenses.

See related story: "Nukes 101: Up close and personal with nuclear power"