Nanotechnological Stained Glass! This was rather interesting. It's about how nano-sized gold particles on old stained glass windows can purify the air, when lit up by the sun.
Re: Nanotechnological Stained Glass! It sounds somewhat promising and to think we already had air cleaning concrete, so now the entire building in theory at least can be air cleaning? I wonder what they'll think of next...
-- YAR!
I wonder what they'll think of next...