Seorang amerika , thomas edison ( 1847-1931 ) dikeluarkan dari sekolah karena guru-gurunya berpikir dia anak yang lamban . akan tetapi , dia menjadi salah satu penemu dunia terbesar. pada tahun 1871 , edison merancang mesin pesawat teleghraf , yang dapat mengirim berita ekonomi secara langsung pada perdagangan saham. keuntungan dari penemuan ini memungkinkan dia mendirikan laboratorium penelitian dan mengubah penemuannya menjadi suatu industri. penemuan terakhirnya adalah bola lampu listrik dan gramofon.
An American, Thomas Edison (1847-1931) expelled from school because his teachers thought he was a slow child. however, he became one of the world's greatest inventors. in 1871, Edison teleghraf designing aircraft engines, which can send a direct economic news on stock trading. advantages of the present invention allows him to establish research laboratories and transform his invention into an industry. latest invention is an electric light bulb and phonograph.
An American, Thomas Edison (1847-1931) expelled from school because his teachers thought he was a slow child. however, he became one of the world's greatest inventors. in 1871, Edison teleghraf designing aircraft engines, which can send a direct economic news on stock trading. advantages of the present invention allows him to establish research laboratories and transform his invention into an industry. latest invention is an electric light bulb and phonograph.
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