In reply to Stephen A. Lawrence's message of Mon, 06 Jul 2009 21:55:38 -0400: Hi,
Makes me wonder why they use glass at all. I would have plumped for an Aluminium coating on hard plastic (such as used in the reflectors of many flashlights.) [snip] > > >Jed Rothwell wrote: >> >> I hate to use Wikipedia, but this photo shows damaged mirrors, which >> indicate the limits of the technology (the lifetime of the installation): >> >> http://en.wikipedia.org/wiki/File:Solarplant-050406-05.jpg >Weird! What on Earth happened to them? It looks like somebody dropped >a handful of rocks on the installation from a few hundred feet above it. > >Shards of the broken mirrors are lying around on the ground at two or >three of the larger damage points. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/Project.html

