2.9K views · 50 reactions | By the time Edison applied for his final patent on January 6, 1931, he held over 1,000 patents in the United States, from the electric light bulb to concrete houses. | American Experience | PBS | Facebook

3.7K views · 22 reactions | Edison’s original invention, the first device capable of recording and playing back sound, changed the course of history. Will this kid go on to become a billionaire? Follow 홀홡홫홞홨 화홤홪홧 혽홤홤홠 홋홚홧홨홤홣 for more like this #entrepreneur #business #profit | 홀홡홫홞홨 화홤홪홧 혽홤홤홠 홋홚홧홨홤홣 | Facebook

10K views · 240 reactions | Explore the intense rivalry between Nikola Tesla and Thomas Edison, as their opposing visions for electricity transformed the energy landscape and established alternating current as the primary power distribution method. | Nikola Tesla Invention Archives | Facebook