> -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Charlie Bell > > There are several devices to do this, some of them actually on the > market. One is a wind turbine arrangement that produces around 10 > litres an hour (plenty for drinking purposes for several people!).
I looked at reports on this, although I didn't even bothering checking the website you mentioned because you said it was down. One think struck me, although they talk about being great because alternative energy sources can be used, there was no mention of the amount of energy needed per liter of water. It reminded me of your discussion of how energy intensive desalination is. It both makes sense and is interesting how dependent so many things are on the availability of energy in low entropy states. Because, if it was just energy we needed, all we would need to do was tap the tremendous energy in the heat of the atmosphere or the oceans. Dan M. _______________________________________________ http://mccmedia.com/mailman/listinfo/brin-l_mccmedia.com
