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Kitab_Optik RujukanThrough the influential work of Alhacen the onset of a physico-mathematical conception of optics was established at a much earlier time than would be the case in the other mathematical sciences.
In reforming optics he as it were adopted "positivism" (before the term was invented): we do not go beyond experience, and we cannot be content to use pure concepts in investigating natural phenomena. Understanding of these cannot be acquired without mathematics. Thus, once he has assumed light is a material substance, Ibn al-Haytham does not discuss its nature further, but confines himself to considering its propagation and diffusion. In his optics "the smallest parts of light", as he calls them, retain only properties that can be treated by geometry and verified by experiment; they lack all sensible qualities except energy.
Usaha beliau dalam bidang optik, yang memuatkan teori berkaitan penglihatan dan teori cahaya, dianggap oleh ramai orang sebagai sumbangan beliau terpenting, meletakkan asas bagi perkembangan-perkembangan jauh sehingga abah ke-17. Sumbangan beliau kepada geometri dan teori nombor melewati tradisi Archimedes. Dan, dengan menampilkan penggunaan eksperimen dalam penyelidikan saintifik, Al-Haitham telah memainkan peranan penting terhadap pembetukan sains moden.
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WikiPedia: Kitab_Optik http://logica.UGent.be/albrecht/thesis/Heeffer-CMS... http://online.physics.uiuc.edu/courses/phys199epp/... //www.ncbi.nlm.nih.gov/pubmed/11721819 //www.ncbi.nlm.nih.gov/pubmed/12161634 //www.ncbi.nlm.nih.gov/pubmed/4867472 http://books.google.com.my/books?id=3VfY8PgmhDMC&l... http://www.cyberistan.org/islamic/Introl1.html //doi.org/10.1016%2Fj.hm.2005.05.002 //doi.org/10.1017%2FS095742390200214X //doi.org/10.1017%2FS0957423907000355