is a 2 dimensional version and was reinvented in the Renaissance. See the mathematician in his work On burning mirrors was the first to prove the focal property of a parabolic mirror. Applications of the parabolic reflector today: satellite dishes, optic and radio telescopes, parabolic microphones, lighting devices


But it is worth reiterating that Western thought owes a great debt to the Egyptians, who invented books in the form of papyrus rolls.