3 ms·
transparent aluminum?
by nowsourcing 16y ago
transparent aluminum?
- vietor 16y agoAlready there, already doing that. See: http://en.wikipedia.org/wiki/Corundum http://en.wikipedia.org/wiki/Corundum http://en.wikipedia.org/wiki/Transparent_alumina http://en.wikipedia.org/wiki/Transparent_alumina