فيديو: مفهوم الزمن وتطوره عبر التاريخ

29 سبتمبر 2013

من أين جاء ضبط الوقت؟ ما هي المناطق الزمنية ولماذا يوجد الكثير منها؟ شاهد الفيديو واحصل على أجوبة هذه الأسئلة وأكثر في هذه الرحلة عبر تاريخ الزمن من المزاول ثم الساعات الرملية إلى الساعات الحديثة.

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أخر المواضيع من قسم : الزمن

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فيديو: مفهوم الزمن وتطوره عبر التاريخ

أخر المواضيع من قسم : الزمن

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