Technology Connections
2015–12 sezón65 epizod
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Technology Connections is an educational YouTube channel created by Alec Watson. It explores the history, engineering, and inner workings of everyday technology, including consumer electronics, household appliances, transportation, lighting, and audio and video equipment.
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- 0123. září 2015
Alexander Graham Bell is famous for his invention of the telephone. In 1876, his device was the first ever to be able to reproduce sound. Before its invention, nothing existed capable of taking sound waves and replicating them. Bell's invention marks the beginning of our journey through time. This series, of which this video is the first, will be taking you step-by-step through the history of sound reproduction. We begin today with the Telephone.
- 0218 min1. října 2015
Bell's invention, the telephone, was the first device capable of reproducing sound. But it couldn't record it. Thomas Edison's invention of the phonograph brought us the first device capable of capturing sound to be played back later. How did Edison figure this out? By combining one of his earlier ideas with the ideas in the telephone, Edison was able to bring a revolutionary product to market (well, sort of). This week, we're exploring how Edison thought up his device.
- 0322 min9. října 2015
Thomas Edison's cylinder phonograph was fantastic, no doubt. Can you imagine what it would've been like to hear the first artificial sound? But Edison's mind for the accurate doomed his cylinder, because the cylinder as it turns out is a really stupid shape for this sort of a thing. Emile Berliner threw accuracy to the wind with his disc phonograph, assuming people would rather deal with an easier and cheaper phonograph than a more "scientifically correct" one. Boy was he right.
- 0411 min17. října 2015
In today's episode of technology connections, we take a look at the vacuum tube. This simple device had tremendous implications for sound reproduction. We explore how vacuum tubes revolutionized radio, and why they were necessary to make radio practical. Vacuum tubes made possible the next advancements in sound technology.
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