There are certainly solutions to deal with it by designing for leaks as an expected maintenance problem, though preventing them would obviously be preferable. T

There are certainly solutions to deal with it by designing for leaks as an expected maintenance problem, though preventing them would obviously be preferable. There are numerous operating molten salt reactors around the world, so I guess it depends what you mean by viable: http://en.wikipedia.org/wiki/Breeder_reactor#Breeder_reactor_development_and_notable_breeder_reactors http://en.wikipedia.org/wiki/Breeder_reactor#Breeder_reactor...