The download is free, but we offer some paid services. Support us by subscribing
Delete ads and speed up browsing the library.
The download starts with the click of a button without waiting for the book to be ready.
No limits for download times.
You can upload unlimited books in the library.
Enable readers to download your books without waiting.
Delete ads on the books that you publish.
No problems with download links for your uploaded books.
The source of the book
This book was brought from archive.org as under a Creative Commons license, or the author or publishing house agrees to publish the book. If you object to the publication of the book, please contact us.
| Author: | Ali Youssef |
| Category: | Unspecified Category [Edit] |
| Language: | Arabic |
| Publisher: | مؤسسة هنداوي لنشر المعرفة والثقافة والغير هادفة للربح |
| Pages: | 36 |
| Files Size: | 10.81 MB |
| Extensions: | PDF , EPUB , KFX |
| Creation Date: | 12 Apr 2020 |
| Rank: | 129,615 No 1 most popular |
| Short link: | Copy |
| More books like this book | |
The Author Book Philosophy Of Light and the author of 8 another books.
من مواليد 1939 في قرية حانين الجنوبية / قضاء بنت جبيل. قرأ القرآن وتعلم الكتابة وألمّ بمبادئ الحساب في كتّاب القرية. نال الشهادة الابتدائية عام 1953، والمتوسطة عام 1957، والشهادة التعليمية، ...
حتَّى القرنِ العاشِرِ الميلاديِّ كانَ المَفْهومُ السائِدُ عنِ الإبصارِ هو أنَّ العينَ تُرسِلُ أشعةً خاصةً تَسقطُ على الأَجْسامِ فتُسبِّبُ رُؤيتَها، وهو الأمرُ الذي أكَّدَ على بُطلانِه عمليًّا وبالأدلةِ الدامغةِ الفيزيائيُّ العربيُّ المَوْسوعيُّ «الحسَنُ بن الهيثم» الذي لم يَقتصِرْ شغَفُه على دراسةِ الظَّواهرِ الفيزيائيَّة، بل كانتْ له إسهاماتٌ قيِّمةٌ في علومِ الجبْرِ والهندسةِ والطبِّ البَشري، كما كانَ من أوائلِ الذين فكَّروا في بناءِ خزَّانٍ لمِياهِ نهرِ النيلِ يَحفظُ القُرى المِصْريةَ من خطَرِ الفيضانِ ويوفِّرُ للمُزارِعِينَ المياهَ الكافيةَ للزراعةِ على مَدارِ العام. وعلى تعدُّدِ ما قدَّمَه «ابنُ الهيثم» من أبحاثٍ في العلوم، فإنَّ أعمالَه في مَجالِ البَصريَّاتِ (أو ما يُسمَّى اليومَ ﺑ «فِيزياءِ الضَّوْء») تظلُّ دُرَّةَ التاجِ فيما ترَكَ هذا العالِمُ الفذُّ ابنُ مَدينةِ «البَصْرة» العِراقيَّة؛ إحدى الحواضِرِ العِلْميَّةِ الزاهرةِ في زمنِ الخِلافةِ العباسيَّة.
Be the first one to Rate, Review and Quote from the book
Be the first one to Rate, Review and Quote from the book
E-books are complementary and supportive of paper books and never cancel it. With the click of a button, the e-book reaches anyone, anywhere in the world.
E-books may weaken your eyesight due to the glare of the screen. Support the book publisher by purchasing his original paper book. If you can access it and get it, do not hesitate to buy it.
Publish your book now for free
We require cookies for this site to function. Please enable them to continue.
نحن نظهر لك هذه الرسالة لأننا نحترم خصوصيتك.
By using this website, you consent to us collecting cookies to provide you with a better user experience,
more details.
You cannot browse the site since you refused the use of cookies, as the site relies primarily on them to work.
Intellectual property is reserved for the authors mentioned on the books and the library is not responsible for the ideas of the authors
Old and forgotten books that have become past to preserve Arab and Islamic heritage are published,
and books that their authors are accepted to published.
The Universal Declaration of Human Rights states: "Everyone has the right freely to participate in the cultural life of the community, to enjoy the arts and to share in scientific advancement and its benefits.Everyone has the right to the protection of the moral and material interests resulting from any scientific, literary or artistic production of which he is the author".