PRINCETON, New Jersey (CNN) -- The Bush administration will join an international consortium that plans to build a $5 billion fusion machine to
produce power, the U.S. energy secretary announced Thursday.
The United States will be responsible for about 10 percent of the cost of the project, expected to begin construction in 2006. The other partners are
China, Japan, the European Union, Russia and Canada.
The first machine to be built will be an experimental version. More research and development will be needed before scientists learn how to harness the