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Topic: How precisely can a right angle be measured?
Replies: 9   Last Post: Apr 6, 2013 3:48 PM

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Tom Potter

Posts: 497
Registered: 8/9/06
Re: How precisely can a right angle be measured?
Posted: Apr 4, 2013 3:14 AM
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"Absolutely Vertical" <> wrote in message
> On 4/2/2013 7:27 AM, Tom Potter wrote:

>> Apparently no one understands my questions.
>> "How would one measure a right angle
>> without using geometry,
>> or the 3-4-5 relationship,
>> and how precisely can a right angle be measured?"
>> Let me put it like this,
>> what **primary standard** do physicists, the military,
>> astronomers , industry, etc.
>> use as their ORTHOGONAL standard,
>> and how accurate are these standards MECHANICALLY?
>> I dare say they trust Euclid and Pathagoras.
>> I suggest that one should "trust BUT verify."
>> I know how to create an ORTHOGONAL standard
>> that is accurate to 1x10^10 or better,
>> Do you?

> why do you think such a standard is required?

If you want to determine the orthogonally of anything,
a house, a pyramid, a football field, the universe,
I suggest that you need an ORTHOGONAL standard.

Tom Potter

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