In 1912, the French physicist Conrad Schlumberger could be found kneeling on the ground of his family’s estate in Normandy, strategically placing wired electrodes in the soil. He was performing conductivity tests to detect the buried ruins of a medieval abbey destroyed there during the French Revolution. But the experiment had a broader purpose: proving that electric instruments could be used to reveal and map underground structures from the surface. Schlumberger’s approach worked, and it turned out to be a remarkably effective tool for a more lucrative enterprise: finding oil. Conrad and his brother Marcel Schlumberger went on to create...
Monitoring Antisemitism Intel
