FASCINATION ABOUT HWGACOR

" An experiment that has a drinking water-stuffed glass sphere was performed and al-Farisi showed the extra refractions due to glass can be disregarded in his design.[74][c] As he pointed out in his Kitab Tanqih al-Manazir (The Revision of your Optics), al-Farisi applied a considerable clear vessel of glass in The form of a sphere, which was filled