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

• That is the idea being explored by Massachusetts-based startup Eden GeoPower.
• The company is using powerful high-voltage electrical pulses to fracture hard, tightly packed rock and create pathways that could allow water to reach minerals capable of naturally producing hydr