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CDsTue first CD was invented by james russel a physics fron general electric.

He was born in 1931 washington - United States.

It all started in the 60s of the twentieth century, when James T.

Russell, one afternoon when he was alone at home, began to think about how to improve the music recording system.

It was then that he devised a system to record and reproduce sounds that, using light, did not require contact with the disk.

He managed to develop the idea through a photosensitive plate that could mark a micron in diameter with a light.

Subsequently, the companies Philips and Sony would develop and establish the patterns of the current CDs.

Thus the Compact Disc was born.

Made of polycarbonate, 74 minutes long and 12 centimeters in diameter, the CD began to be commercialized in 1983 but it was not until the 90s when it definitely won the battle to the vinyl, which until then had been the king format.

Cds were changing over time until they become what they are now and I think that cds will changing.