This is a cutaway model of the fuel elements used inside the reactor, which are about two feet long. Now highly enriched uranium is put inside aluminum cladding, but another fuel that uses less enriched uranium is being developed.
The spent fuel from the reactor is replaced about every three years and transported via police escort to a facility in South Carolina.
February 11, 2011 4:00 AM PST
Photo by: Martin LaMonica/CNET
| Caption by: Martin LaMonica
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