LITTLE KNOWN FACTS ABOUT HWGACOR.

" An experiment by using a water-crammed glass sphere was carried out and al-Farisi confirmed the additional refractions because of the glass can be dismissed in his product.[74][c] As he pointed out in his Kitab Tanqih al-Manazir (The Revision on the Optics), al-Farisi utilized a significant very clear vessel of glass in The form of a sphere, whic