Iceland is digging world’s deepest geothermal borehole into the heart of a volcano at a depth of 3.10 miles (5 km) to tap renewable energy. The extreme pressure and heat at such depths could derive 30 to 50 MW of electricity from one geothermal well.

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Submitted January 22, 2017 at 05:59PM by KRISHNA53 http://ift.tt/2keXXqu