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علـــــــــمی و رزمـــــــــــــی - چند اختراع مهم
سه شنبه 3 خرداد 1390  01:55 ب.ظ
توسط: کیوان

 

پنی سیلین

هاگ هایی که از پنجره هایخانه های مرکزی شهر  لندن وارد می شدند،الکساندر فلمینگ را برآن داشتکه اولین آنتی بیو تیک را در سال1928کشف کند.کارهایی که در این زمینه در انگلستان و آمریکا صورت گرفت، پنی سیلین را تا اواسط 1940 به بیماران رساند. تحولی که در این مورددر نظر گرفته شده، این است که پنی سیلین سرآغازی از موج جدید که در مقایسه با زمان قبل از آن،خطر عفونت های باکتریهایی را بسیار کاهش داد.

اینترنت

پدران واقعی اینترنت،وینتون سرف،لورنس رابرتس،لئونارد کلین راک و رابرت کان می باشدولی در باورهاستکه مخترع اینترنتال گور بوده است.

البته ال گور خود می گوید:من اینترنت را اختراع نکردم اما حین خدمت در کنگره آمریکااایده ی آن به ذهنم خطور کرد. وینتون سرف متولد1943،دانشمند علوم کامپیوتری است که و.ی را پدر اینتر نت نیز لقب داده اند. وی به همراه دوستان خودکه اسامی آنها در بالا آمد،اولین زنجیره های اینتر نت را رقم زدند و بدین ترتیب اینترنت ابداع شد . اینترنت شبکه ای غیر متمرکزبه نامARPANETبود که در واقعبرای ایمن شدن و سهولتارتباط بین گروه ها در صورت حمله ی هسته ای توسطوزارت دفاع امریکابوجود آمد، سپس به کانادا وبعد به همه ی جهان انتشار یافت.


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