In article , lid (John Savard) writes:
On Thu, 09 Dec 2004 01:27:48 GMT, lid
(John Savard) wrote, in part:
On 8 Dec 2004 16:45:28 -0400, (Steve Willner)
wrote, in part:

Silicon carbide has many of the same advantages as diamond. I
understand SiC mirror blanks have been produced in meter sizes, and
there are claims that people have polished mirrors, but I don't know
offhand of any examples in use.

The Europeans are orbiting a space telescope with one.

I should have been more clear: preparing to orbit a space telescope with
one, the Herschel space telescope.

SiC has also been used for x-ray mirrors.

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| chances are he is doing just the same"