In 2025, a US startup blasted hard rock with high-voltage pulses and made it 10 times more permeable; now it is testing ‘underground lightning’ beneath a Massachusetts horse farm to make hydrogen

What if the rocks beneath our feet could one day be turned into a giant hydrogen factory, not by drilling up an existing fuel reserve, but by sending controlled bursts of electricity deep underground? That is the idea being explored by Massachusetts-based startup Eden GeoPower.

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