Further to an earlier post on ground-based heat pumps, here's an example of how it worked in one house in north America.
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I've been watching the TV series 'Foundation'. I read the books about 50 years ago (I know!) but scarcely now remember anything...
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from: http://static.guim.co.uk/sys-images/Guardian/Pix/online/2012/5/22/1337672561216/Annular-solar-eclipse--008.jpg -
I've just had an article published on emergingchurch.info. It's an adaptation of some of my book, but I thought I'd share it and...
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