July 4, 2026
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2:00Now PlayingFrom the light bulb to the iPhone, American inventions have rocketed around the world thanks to their innovation and ingenuity. But some American innovators, including women and people of color, have largely been overlooked.
To mark America’s 250th birthday, host William Brangham and Eric S. Hintz, a historian at the Lemelson Center for the Study of Invention and Innovation at the Smithsonian Institution’s National Museum of American History, explored why the U.S. has been a hotbed for innovation.
Horizons from PBS News, dives into the science, health, technology and environmental issues making headlines each week. Visit the PBS News website to watch this week's episode.
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