I was doing some light reading on hydrogeology the other day and came upon something that interested me, and hopefully will be of some interest and/or use to you.  I’m always fascinated by history and the way ancient civilizations came up with ingenious ways to survive in harsh conditions, and what I found in my book was exactly that. The technology I’m talking about is called a qanat.  Well, that’s what it was called in what is present-day Iran, whichcontinue reading