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A comment on Cornell wants to drill 2-4mi underground for enhanced geothermal heating. Parent comment

Re:Cornell wants to drill 2-4mi underground for enhanced geo... by nitrogen on Monday September 19, 2016 @05:09PM (#12534742)
Won't thorium decay keep it warm for a good long while?
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Re:Cornell wants to drill 2-4mi underground for enhanced geo... by dpark on Monday September 19, 2016 @06:15PM (#12535222)
I'm honestly not sure. I don't know how much energy is being created inside the Earth and how much is just residual. It's my understanding that the Earth is slowly cooling, though, so radioactivity isn't replenishing heat as rapidly as we're losing it.
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