> So nuclear power is stuck with water as a working fluid. Steam explosions :| Isn't a sodium fire suppressible by throwing powder/foam on it? Isn't a contai

> So nuclear power is stuck with water as a working fluid. Steam explosions :| Isn't a sodium fire suppressible by throwing powder/foam on it? Isn't a containment building that can dump powder on a fire much cheaper than one that is able to withstand explosions? Also there are non-flammable salts (eg. FLiBe)?