"1treePetrifiedForestLane" <Space998@hotmail.com> wrote in message news:firstname.lastname@example.org... > proper units in diadians, since any angle from it to a point > on the sphere is "right;" also, > a certain kind of chord establishes a quadrirectangular tetrtahedron > with the diameter. > > I assume taht their is a sort of interferometry that is associated > with a "cube-corner" retroreflector, > which can be used to gauge the "rightness" of the corner. note, > however, > that there are no "right trigona" in a spatial sense, > whilst there are enantiamorphic "right & left" tetrtahedra, > the quadrirectangular ones. > >> and what units are the deviations from a right angle in?
They are not measured, the deviations are removed using with the complex conjugate.