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