1.2K views · 56 reactions | Chemistry was the central theme of most of #ThomasEdison's inventions, including the light bulb and the phonograph. In fact, more chemical know-how was employed in the development of the bulb than electrical engineering! ‍ | Thomas Edison | Facebook
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1.2K views · 56 reactions | Chemistry was the central theme …
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The electrical telegraph was used sparingly by the 21st century, but its invention is a turning point in world history as it revolutionised communication. Know more about the electrical telegraph! | Unacademy
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2.2K views · 77 reactions | On this day in 1892, Thomas Edison patented the two-way telegraph, which was just one of more than 1,000 patents he held in his life. | Biography | Facebook
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Experts told Edison to never claim this invention. In 1877, when early reports of Edison’s phonograph hit the newspapers, the reaction was not awe. It was ridicule. A professor actually wrote to the New York Sun and said the “idea of a talking machine” was ridiculous. He advised Edison to deny the story, protect his reputation, and quietly move on. In other words, stay in his lane. He ignored every bit of that advice. Instead, he invited the skeptics into the lab. He set the tinfoil cylinder spi
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Experts told Edison to never claim this invention. In 1877, when early …
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