반응형 semaphore systems history1 Ancient Roman Signal Towers: How Messages Traveled Across the Empire Imagine managing an empire as vast as ancient Rome without modern technology—no internet, no phones, and no postal services as we know them today. Yet the Romans achieved rapid communication across continents using an ingenious network of **signal towers**. These towers allowed messages to travel incredible distances in hours, ensuring coordination and control over their sprawling territories.Le.. 2025. 1. 2. 이전 1 다음 반응형
