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Re: How precisely can a right angle be measured?
Posted:
Apr 6, 2013 10:03 AM


"1treePetrifiedForestLane" <Space998@hotmail.com> wrote in message news:02211c07056649498b6618ef22c87459@kx7g2000pbb.googlegroups.com... > 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 "cubecorner" 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.
 Tom Potter
http://thecloudmachine.tk http://tiny.im/390k



