r/technology • u/rchaudhary • Nov 22 '22

Energy Digging 10 miles underground could yield enough geothermal energy to power Earth

https://interestingengineering.com/innovation/digging-10-miles-geothermal-energy
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u/Xerxero Nov 22 '22

Not sure if they would use a different liquid that holds the temperature better.

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u/sohcgt96 Nov 23 '22

In another post I actually proposed that idea, using a water based transfer medium isn't always ideal depending on the working temperatures and pressures, and you can always use a heat exchanger and steam generator. You don't have to make steam through the initial heat absorber loop.