Optimised for fusion analysis, millimetre-wave beam know-how may very well be tailored to entry the warmth that lies a number of kilometres beneath Earth’s floor, says Eugene Linden


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10 August 2022

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FOR years, these seeking to generate electrical energy with out utilizing fossil fuels have dreamed of tapping the nearly limitless warmth supply that lies eight kilometres or extra beneath Earth’s floor. Prior efforts have been stymied as a result of attending to that warmth entails drilling into rock that’s too laborious for standard strategies. Now, one tantalising risk includes repurposing an current know-how to faucet into this supply and produce electrical energy at a decrease value than any current type of energy technology.

This isn’t, nonetheless, merely a matter of economics. Even when all nations have been to satisfy the pledges that have been made beneath the Paris Settlement on local weather change, temperatures …

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