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shortly after the army replaced their old tech., so did the navy.
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in 1921, voice came into radio technology
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http://www.engineersgarage.com/invention-stories/radio-history</a>
Marconi introduces short wave transmissions -
http://inventors.about.com/od/rstartinventions/a/radio.htm
http://www.pbs.org/tesla/ll/ll_whoradio.html
Tesli had been close to finding the answer to radio technology until tradgedy struck and his chance was taken away with the swiftness of fire. Later, another inventor, Guglielmo Marconi, patented the idea. but after Tesli sued, the patent was "unpatented" and shortly after his death, the sepreme court patened it as Tesli's invention. -
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technically, the u.s. patented it first, but they didn't create it. a Institute in Germany did.unfortunately, the patent was not secure and so the U.S. ordered a patent. http://inventors.about.com/od/mstartinventions/a/MPThree.htm
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http://blog.insead.edu/2012/03/innovation-success-how-the-apple-ipod-broke-all-sonys-walkman-rules/
it was a goodbye to the casset tapes, cd's, and mp3's when apple came up with the "multi-million" buisness called the iPod.... Sienora! old fashioned! -
the ipod has grown fro a facination of people of music. now its portable... you can go on the internet with the devces... you can call..... who knows where they'll go next? END. NO LINKS, JUST ENDING OF TIMELINE.
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