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Article #4754

Re: How do you draw a straight line?

#4754
From: John Hagerman
Date: Mon, 05 Oct 1992 21:19
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In article <1992Oct5.154211.21663@ecrc.de> micha@ecrc.de (Micha Meier) writes:
> 
> This is something I've been wondering about since a long time.
> Although we can make a circle as precise as we want, I think we
> cannot make a really precise straight line - every straight line is
> made from another one or from a tool that has been made using some
> older straight lines - so it all comes down to copying a line that
> has been made thousands years ago. Although we have precise
> instruments and tools, we can only make better and better lines (so
> that eventually the error is less than an atom, and we are there),
> but IMHO there is no process to create a straight line directly. Or
> is it?

How about laser milling?

(Then you *really* get a straight line :-).

- John
--
hagerman@ece.cmu.edu
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References: <1992Oct2.224220.24242@access.usask.ca> <1992Oct5.154211.21663@ecrc.de>

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From: hagerman@ece.cmu.edu (John Hagerman)
Subject: Re: How do you draw a straight line?
In-Reply-To: micha@ecrc.de's message of Mon, 5 Oct 1992 15:42:11 GMT
Message-ID: <HAGERMAN.92Oct5161957@rx7.ece.cmu.edu>
Sender: news@fs7.ece.cmu.edu (USENET News System)
Organization: Carnegie Mellon University
References: <1992Oct2.224220.24242@access.usask.ca> <1992Oct5.154211.21663@ecrc.de>
Date: Mon, 5 Oct 1992 21:19:57 GMT
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