Geothermal: Drilling Deep for Power

Beneath our feet lies a nearly endless supply of clean energy. Miles O’Brien traces the unlikely rise of enhanced geothermal power, from a Cold War-era experiment at Los Alamos to Texas oil fields, where veteran frackers repurpose drilling technology to tap hot rock instead of crude. With billion-dollar startups and oil majors now betting on it, geothermal may finally be ready to reshape the grid.