While we do try to stay mostly on papercrete, the membership and moderators here usually don't object when the subject wanders a little, especially if it is something green or somehow remotely related to pc. Starting this thread with an experimental papercrete solar concentrator made it legit  : )
 
 Spaceman
 
 Diana Bryan wrote: 
Never thought of asking for solar info here, but the people who look at PC have all kinds of "out there" interests.
Question -- anyone in E. Texas ever build a passive solar home? No one here seems to know anything about it.
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