Electrical Resistivity Tomography
Maps underground voids by measuring electrical resistance
Episodes
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#827: When Military Tunnel Tech Maps the City BelowExplore the cutting-edge technology used to map the hidden world beneath our feet, from military tunnels to urban infrastructure. -
#481: Steel and Stone: Engineering Jerusalem’s Pilgrimage RoadDiscover how modern engineering and ancient history collide beneath the streets of Jerusalem to reveal the legendary 2,000-year-old Pilgrimage Road.