HWGACOR SLOT - AN OVERVIEW

" An experiment using a water-loaded glass sphere was executed and al-Farisi showed the additional refractions because of the glass might be disregarded in his product.[74][c] As he mentioned in his Kitab Tanqih al-Manazir (The Revision of the Optics), al-Farisi made use of a considerable obvious vessel of glass in the shape of the sphere, which wa