ড. মার্টিন কুপারের মোবাইল ফোন তৈরির ইতিহাস | History of Mobile | Martin Cooper | Somoy TV

Описание: #History_of_Mobile #MobilePhones #SomoyTV

মার্টিন কুপারকে মোবাইল ফোনের জনক বলা হয়। বিবিসিকে দেয়া এক সাক্ষাৎকারে মার্টিন কুপার জানিয়েছিলেন, চার দশক আগে মোবাইল উদ্ভাবনের পর এর দাম বেশি ছিল এবং আকারও ছিল বেশ বড়। তবে তিনি জানতেন একদিন মোবাইল ফোনের দাম আর আকার দুই-ই মানুষের হাতের মুঠোয় চলে আসবে

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