خرید بک لینک

درباره سایت

طعم زندگی

باسلام من محمدرضا فرجی هستم دانش امور تیزهوشان شهید بهشتی این وبلاگ جهت سرگرمی ودانش ساخته شده است باتشکر FARAJI

امکانات وب

-->-->-->

Ùx83د Ùx85Ùx88سÙx8aÙx82Ùx8a براÙx8a Ùx88بÙx84اگ

omas Alva Edison (February 11, 1847 – October 18, 1931) was an Americaninventor and businessman. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and a long-lasting, practical electric light bulb. Dubbed "The Wizard of Menlo Park",[3] he was one of the first inventors to apply the principles of mass production and large-scale teamwork to the process of invention, and because of that, he is often credited with the creation of the first industrial research laboratory.[4]Edison was a prolific inventor, holding 1,093 US patents in his name, as well as many patents in the United Kingdom, France, and Germany. More significant than the number of Edison's patents was the widespread impact of his inventions: electric light and powerutilities, sound recording, and motion pictures all established major new industries world-wide. Edison's inventions contributed to mass communication and, in particular, telecommunications. These included astock ticker, a mechanical vote recorder, a battery for an electric car, electrical

برچسب: نویسنده: محمدرضا فرجی تاريخ: سه شنبه 4 آذر 1393 ساعت: 13:19

صفحه بندی