Ya ketika itu orang Islam belajar dari kafir, seperti dari ilmuwan dan filsuf Yunani..
Dan jangan lupa: angka nol itu adalah fikirn orang India... --- In proletar@yahoogroups.com, itemabu2 <itemabu2@...> wrote: > > Kalo ada ilmuwan orang Islam di TImTeng jaman dulu, itu ga ada hubungan > dgn Islam, krn di TimTeng itu iptek udh relatif berkembang, jadi iptek yg > ada di sana bukan dr Islam, tp dr peradaban yg udh ada di situ sebelum ada > Islam. > > Islam itulah yg mematikan iptek di TimTeng. Makanya waktu Eropa bangkit dr > jaman kegelapan, dunia Arab kembali ke jaman batu persis spt apa yg ada di > gurun Arab dimana ga ada apa2. > > > > On Sat, Aug 3, 2013 at 9:10 AM, Omar moyo moyo <omarmoyo@...> wrote: > > > ** > > > > > > Mana dia tahu kalau Alhazen itu tempat Ilmuawan belajar > > bikin pinhole,Slr hingga,digital camera...masalahnya itutuh........... > > ............Dia nggak bakal mengakui itu karena lu bukan ilmuwan, > > melainkan ustat palsu, hehe.. > > ============================ > > > > In the 10th century, Persian scientist Ibn al-Haytham (Alhazen) wrote > > about naturally-occurring rudimentary pinhole cameras. > > For example, light may travel through the slits of wicker baskets or the > > crossing of tree leaves.[2] (The circular dapples on a forest floor, > > actually pinhole images of the sun, can be seen to have a bite taken out of > > them during partial solar > > eclipses opposite to the position of the moon's actual occultation of > > the sun because of the inverting effect of pinhole lenses.) > > Alhazen published this idea in the Book of Optics in 1021 AD. He improved > > on the camera after realizing that the smaller > > the pinhole, the sharper the image (though the less light). He provides > > the first clear description for construction of a camera obscura (Lat. > > dark chamber). > > In the 5th century BC, the Mohist philosopher Mozi (墨å) in ancient China > > mentioned the effect of an inverted image forming through a pinhole.[3] The > > image of an inverted Chinese pagoda is mentioned in Duan Chengshi's (d. > > 863) book Miscellaneous Morsels from Youyang written during the Tang > > Dynasty (618â"907).[4] Along with experimenting with the pinhole camera and > > the burning mirror of the ancient Mohists, the Song Dynasty (960â"1279 CE) > > Chinese scientist Shen Kuo (1031â"1095) experimented with camera obscura > > and > > was the first to establish geometrical and quantitative attributes for > > it.[4] > > > > > > Ancient pinhole camera effect caused by balistrarias in the Castelgrande > > in Bellinzona > > In the 13th century, Robert Grosseteste and Roger Bacon commented on the > > pinhole camera.[5] Between 1000 and 1600, men such as Ibn al-Haytham, Gemma > > Frisius, and Giambattista della Porta wrote on the pinhole camera, > > explaining why the images are upside down. > > Around 1600, Giambattista della Porta added a lens to the pinhole > > camera.[6][7] It was not until 1850 that a Scottish scientist by the name > > of Sir David Brewster actually took the first photograph with a pinhole > > camera. Up until > > recently it was believed that Brewster himself coined the term "Pinhole" > > in "The Stereoscope"[citation needed]. The earliest reference to the term > > "Pinhole" has been traced back to > > almost a century before Brewster to James Ferguson's Lectures on select > > Subjects.[8][9] Sir William Crookes and William de Wiveleslie Abney were > > other early photographers to try the pinhole technique.[10] > > > > ________________________________ > > From: ajeg <ajegilelu@...> > > To: proletar@yahoogroups.com > > Sent: Saturday, August 3, 2013 4:48 AM > > Subject: Re: [proletar] Ilmuwan2 yg mualaf krn Riset > > > > > > > > > > > > Nggak ada yang perlu diributkan ketika ilmuwan Barat > > menghormati dan memakai buah pemikiran Al-Haytham (bukan > > alitem) atau yang mereka kenal sebagai Alhazen. Lu kira > > yang namanya lensa, mikroskop, dan segala perkara optik itu > > berawal dari pemikiran siapa? > > > > Di kalangan ilmuwan Barat, Alhazen malah disebut sebagai > > ilmuwan pertama. Alias orang pertama yang menyusun teori > > berdasarkan metode ilmiah. > > > > Lu nggak bakal mengakui itu karena lu bukan ilmuwan, > > melainkan ustat palsu, hehe... > > > > --- itemabu2 <itemabu2@> wrote: > > > > > > Knp ga ada "ilmuwan" muslim yg dijadikan referensi? Krn yg nongol > > > cuma kekonyolan doang. > > > > > > > > > > [Non-text portions of this message have been removed] > > > > > > > > > [Non-text portions of this message have been removed] > ------------------------------------ Post message: prole...@egroups.com Subscribe : proletar-subscr...@egroups.com Unsubscribe : proletar-unsubscr...@egroups.com List owner : proletar-ow...@egroups.com Homepage : http://proletar.8m.com/Yahoo! 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