Re: Yet another new battery breakthrough

On Dec 19, 3:48 am, Robert Latest <boblat...@xxxxxxxxx> wrote:

"The [...] reactor is engineered to be fail-safe and
totally automatic and will not overheat."

The design I heard about a few years back was a telephone pole sized
core to be dropped, encapsulated, in a hole in the ground. The
composition and fuel density of the core was such that a reaction was
not possible. To make a reaction go, a sliding reflector had to be in
place around the outside of the core. With the reflector in place,
the core would run, but not so fast that the containment would fail
even if coolant were to be lost (it may be that coolant was also
needed as a moderator, don't remember). Eventually, the fuel in the
region covered by the reflector would be spent, and the reaction would
stop. To keep it going, the reflector was designed to very slows
slide down the core over the life of the unit. If it stopped sliding,
the reaction stops. If it slides to fast, it simply gets to the
bottom too soon and the life is shortened.

The idea is that they designed out any risks they could think of.

The question is what risks they didn't think of.
.

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