The 2,500-Year-Old Tunnel That Was a Math Miracle #History #engineering #ancientgreece Before computers or modern tools, how did ancient engineers achieve perfect precision? This video explores the Tunnel of Eupalinos on the Greek island of Samos—one of the greatest engineering feats of the ancient world. Join us as we uncover how a 2,500-year-old math problem saved a city: A Secret Lifeline: Understand why the city of Samos needed to build a hidden aqueduct through a mountain to protect its wat