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Topic: How precisely can a right angle be measured?
Replies: 6   Last Post: Apr 6, 2013 2:47 PM

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Tom Potter

Posts: 497
Registered: 8/9/06
Re: How precisely can a right angle be measured?
Posted: Apr 6, 2013 10:03 AM
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"1treePetrifiedForestLane" <Space998@hotmail.com> wrote in message
news:02211c07-0566-4949-8b66-18ef22c87459@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 "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.

--
Tom Potter

http://the-cloud-machine.tk
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