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Thread: "Hot Rock" Energy. Clean, renewable energy alternative for the future?

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    At the end of the day, it boils down to the question of how much would it cost to replace existing oil/ gas/ nuclear energy with this source.

    But yeah if utilised properly a infinate amount of Energy can be created from the rock that we live over.

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    Thank you, Dr. Wolff. I was unfamiliar with the German experiments with heat pumps. Had this line of research been pursued vigorously for the past half century it might well be a practical energy source for home heating by now in many climatically suitable areas.

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    Geothermal Heating, Geothermal Power

    Geothermal Heating and Power Generation .

    Wikipedia has pages about it at
    https://en.m.wikipedia.org/wiki/Geothermal_power
    and
    https://en.m.wikipedia.org/wiki/Geothermal_heating
    However, even cold ground contains heat, below 6 metres (20 ft) the undisturbed ground temperature is consistently at the Mean Annual Air Temperature[3] and it may be extracted with a heat pump.
    In Germany , for small family houses , geothermal heating seems to become more and more common , deploying floor radiators , and combined with a solar power installation on the roof , to power the necessary pumps .


    But there are dangers in deep geothermal production , since some systems involve hydraulic fracturing to circulate the liquids , especially water , and leaks and breakage of ground water seals may lead to smaller earthquakes and ground rises or sinks , which could harm property like houses .

    In Baden-Württemberg , city Staufen in Breisgau , there is a very heavy rising of soil noticeable , and many dozen buildings got cracks , at least across the facades , after higher ground water could descend into chemically reacting rocks :
    After initially sinking a few millimeters, a process called subsidence,[25] the city center has started to rise gradually[26] causing considerable damage to buildings in the city center, affecting numerous historic houses including the town hall. It is hypothesized that the drilling perforated an anhydrite layer bringing high-pressure groundwater to come into contact with the anhydrite, which then began to expand. Currently no end to the rising process is in sight.
    Instead of traveling to the Moon , Germany must be destroyed at all costs , is the sentiment of the ageing mayority , it seems .
    Mk 10:18 What do you call me a good master, no-one is good .

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    Thanks for sharing this. I am in favour of using as much renewable energy as possible but if it entails fracturing then this defeats the object of the exercise.

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    Threads like these are important and thanks for posting it.
    (It doesn't matter how old the song is, I won't stop liking it).

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