On Feb 7, 7:06 pm, Damien Valentine <valen...@[EMAIL PROTECTED]
> wrote:
> I think the Pyramids and Mount Rushmore have a shelf life on the order
> of a million years or so, but someone will want to fact-check that.
> Even if cost were no object, I'm thinking a big lump of rock beats the
> stainless steel, diamond, and other high-tech solutions over the
> really long haul. (Especially since you presumably don't want your
> artifact to be looted by space pirates, post-apocalyptic gangs, damn
> dirty apes, etc., for precious materials.)
Good idea. Possibly this is why Niven and Pournelle decided too make
a Thuktun out of stone rather than something like the other materials
you mention.
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