[FoRK] Plumbing, power, sign posts - getting simple things wrong

Stephen Williams sdw at lig.net
Mon Mar 21 09:55:21 PDT 2011

On 3/21/11 5:28 AM, mdw at martinwills.com wrote:
> ...
> This will always be a concern. There is an interesting design from Toshiba
> found here "http://en.wikipedia.org/wiki/Toshiba_4S".  Intriguing design
> using sodium.  The Russians used sodium in their early submarine reactors

The key feature is using reflectors to control critical mass.  Reminds me of the SNAP-10A, the only nuclear reactor we've put in orbit.


> with limited success (they eventually got away from it for technical
> reasons).  Now switching to lead as a coolant, that would make this a very
> (comparatively) safe design.  it is already buried so there would be
> little issues from an earthquake and terror attacks....
> --Martin--

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