But there was a time when audio records were not flat — they were drums, which was how the original Edison phonograph worked. [Our Own Devices] did a video earlier showing one of these devices ...

It doesn't look like it's almost 150 years old. On April 8, 1878, the Cincinnati Music Hall informally opened for 300 invited guests, with a grander opening happening a few weeks later ...

Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world ...

Thomas Edison took this idea and ran with it, and in 1878 created a way to actually hear those sounds. Edison's invention used a stylus to cut grooves into tinfoil to record and replay sound. The tin ...

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