5 SIMPLE STATEMENTS ABOUT HWGACOR EXPLAINED

" An experiment using a water-loaded glass sphere was done and al-Farisi confirmed the additional refractions mainly because of the glass might be overlooked in his design.[74][c] As he pointed out in his Kitab Tanqih al-Manazir (The Revision with the Optics), al-Farisi employed a substantial clear vessel of glass in The form of a sphere, which was