In article ,
Alan Braggins wrote:
Are you saying stone *isn't* an insulator? If so the space shuttle
makers must be told...

Space Shuttle tiles aren't stone.

http://en.wikipedia.org/wiki/Space_S...tem#Tile_types

They are ceramic which is to all intents and purposes stone.

--
*OK, so what's the speed of dark? *

Dave Plowman London SW
To e-mail, change noise into sound.