American inventors changed the world with technological breakthroughs. The light bulb (Edison, 1879) made nights bright and factories 24-hour. The automobile (Ford’s gasoline engine, 1893) gave personal travel freedom. Skyscrapers (Chicago, 1880s) built cities upward. The airplane (Wright brothers, 1903) conquered the sky, transforming travel, communication, and logistics. The assembly line (Ford, 1913) made cars affordable for millions of citizens. The Moon landing (1969) demonstrated that humanity has no technological limits. Integrated circuit (1958) created modern computers and phones.
Section "Learn and Explore" uses official instructions and media files of US Citizenship and Immigration Services, US National Museum of American History, The Smithsonian Institution and other governmental and public organization.