Hi there,

On 8 Mar 2016 13:23, "Thomas Jones-Low" <xxxxxx@gmail.com> wrote:
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>         As long as there are no conductors to the surface, 600m of rock alone should be enough to protect against the EM pulse of the Maghiz. 10m of rock should stop any EMP short of one strong enough to melt it.

OK.   So I could remove the whole bit altogether.  Although it's quite nice to have things that suit the character skills.

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>         Of course the Maghiz in and of it self makes no sense. The inverse square law ensures if the EMP was strong enough to fry electronics on a world 1-2 parsecs away, the pulse would have been strong enough to bake the entire surface of Darrian to the melting point.

Well, yes, but my intention wasn't to set that cat amongst the pigeons!

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>         What may be more interesting than Conductors would be layers of insulators. Mica for example, is a really good insulator. So a thick layer (or three) of mica would be an interesting, very noticeable, and easy to explain reason for the surviving a really strong EMP.

OK, mica works for me.

Many thanks

tc