TV – undoubtedly one of the 20th Century’s greatest inventions. It’s ubiquity has reduced the world to a global village, changing the course of history and how we regard ourselves and our neighbours into the bargain. A selection of scientists, historians, and commentators alongside rarely seen archive footage, describe the origins, evolution and impact of this era defining technology. Subway Systems: https://www.youtube.com/watch?v=VAxxn7jgVvk Suspension Bridges: https://www.youtube.com/watch?v=NztUHFgaayc Supermarkets: https://www.youtube.com/watch?v=8CURFexxFS4 -- Welcome to the official Get.factual youtube channel! 🌍 We are a documentary streaming channel covering history, science, technology, and nature. Explore worlds distant, forgotten, and unknown; from the depths of ocean trenches to the far reaches of the cosmos. New uploads of full-length documentaries and docu-series every week! Subscribe here: https://bit.ly/GetfactualSUB