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Invented by Motorola in 1973, senior engineer Martin Cooper called rival telecommunication company Bell Laboratories just to inform their rival that they were speaking through a mobile. The Motorola DynaTAC 8000x weighed almost two and a half pounds and was a little over a foot in length. You could call up a friend and talk with them for 30 minutes, but it would take 10 hours to charge.
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The original Apple computer (Apple I) was released by Apple Computer Company. It was designed and hand-built by Steve Wozniak. The idea of selling the computer came from Wozniak's friend Steve Jobs
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Medical imaging technique used in radiology to form pictures of anatomy using magnetic fields
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First portable device to listen to music
