THE BEST SIDE OF HWGACOR

" An experiment having a h2o-crammed glass sphere was performed and al-Farisi showed the extra refractions a result of the glass could possibly be disregarded in his design.[74][c] As he pointed out in his Kitab Tanqih al-Manazir (The Revision with the Optics), al-Farisi employed a large crystal clear vessel of glass in the shape of the sphere, whi