I was actually thinking along the same lines as you Elephant. That is why I have left the thread alone. > ---------- > From: elephant[SMTP:[EMAIL PROTECTED]] > Reply To: [EMAIL PROTECTED] > Sent: Friday, June 01, 2001 1:08 AM > To: [EMAIL PROTECTED] > Subject: Re: MD In Defense Of Socialism?/free energy > > The question below shows a basic misunderstanding of thermodynamics. It > is > a temperature *difference* which drives turbines, not a temperature. > Since > in most parts of the world at most times of the year there is a large > difference between deep and surface temperature (in either direction - it > doesn't matter as there are such things as valves) extracting unlimited > energy is simply (!) a matter of drilling a suitably shaped bore hole > (i.e. > a loop). A similar arrangement (a long tube inside another long tube) has > been shown to work for the deep oceans. This system does not in principle > require the presence of volcanos - and actually the cost-effective > completion of the circuit might actually be hindered by erratic or > unreliable geology. > > The success of geothermal energy in Iceland has, I suspect, as much to do > with the absence of alternatives (wood, oil, coal etc), as with the > existence of optimal conditions. For the kind of geothermal extraction > that > is projected Iceland might be a very bad place - like the difference > between > being able to pick coal off the Surface and the geology actually allowing > you to mine for it. > > Obviously, as with the internal combustion engine, experimental and > mass-produced technologies will have very different cost structures. But > in > point of fact a basic form of geothermal heating, which involves a pipe > extended into the soil (quite near the surface) and connected to > underfloor > heating in a building via a system of heat-exchange pumps, is already on > the > mass-market amougst self-builders, who can see that it makes sense to pay > up-front for long-term energy requirements, just as one would rather own a > home than pay rent. > > As to the eternal 'it that's so ace why aren't we doing it already?' > question, consider that in order to introduce a child to the joys of > moules > et frites one has to take her lolly away for five seconds. That seems > like > a fair argument for 'socialism' in the government of the home. Consider > the > alternative: the government of diet on the behalf of lolly manufactures. > > But don't have nightmares. That sort of thing could never happen. > > E > > > > > From: "Lawrence DeBivort" <[EMAIL PROTECTED]> > > Reply-To: [EMAIL PROTECTED] > > Date: Mon, 28 May 2001 14:11:26 -0400 > > To: <[EMAIL PROTECTED]> > > Subject: RE: MD In Defense Of Socialism? > > > > How would 50 C. degrees drive turbines? > > > >>> If you dig deep enough into the earth (about 4 Km I think that > >> is about 2.5 > >>> miles) the temperature is in the mid 50 degrees Centigrade > >>> (about 100 degrees Fahrenheit) There you can use the heat to > >> drive turbines > >>> and produce electricity. > > > > > > > > MOQ.ORG - http://www.moq.org > > Mail Archive - http://alt.venus.co.uk/hypermail/moq_discuss/ > > MD Queries - [EMAIL PROTECTED] > > > > To unsubscribe from moq_discuss follow the instructions at: > > http://www.moq.org/md/subscribe.html > > > > > > > > MOQ.ORG - http://www.moq.org > Mail Archive - http://alt.venus.co.uk/hypermail/moq_discuss/ > MD Queries - [EMAIL PROTECTED] > > To unsubscribe from moq_discuss follow the instructions at: > http://www.moq.org/md/subscribe.html > MOQ.ORG - http://www.moq.org Mail Archive - http://alt.venus.co.uk/hypermail/moq_discuss/ MD Queries - [EMAIL PROTECTED] To unsubscribe from moq_discuss follow the instructions at: http://www.moq.org/md/subscribe.html
