Medieval Cities at Night: When Towns Literally Locked Themselves In Croton Aqueduct: The Gravity System That Changed New York City Catskill Aqueduct: The Gravity-Fed Waterway That Transformed New York City Wireless Power Transmission Research in Finland: A New Chapter in Contactless Energy Laser Power Transmission: From Space to Earth Before Social Media: How People Found Each Other Online How Electricity Actually Travels Through Power Grids Why Cities Used to Catch Fire So Often in the Past The Hidden Code of the Etruscans: Unlocking the Secrets of Italy’s Forgotten Ancestors How the Early Internet Was Nothing Like Today Time Crystals, Fibonacci, and the Hidden Structure of Time Water System: How Cities Secure Clean Water at Scale Photos: James Stewart and Dickie Jones John Wayne and Ricky Nelson share a scene in Rio Bravo (1959) James Stewart, Beulah Bondi and Guy Kibbee Added This Month: More Updates Random Movies: The Man Who Shot Liberty Valance (1962) Rio Bravo (1959) The Big Country (1958) Friendly Persuasion (1956) Mr. Smith Goes to Washington (1939) More Movies