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Article #4448Re: Measurement & Precision
From: Robert Firth
Date: Mon, 09 Nov 1992 13:31
Date: Mon, 09 Nov 1992 13:31
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In article <1992Nov2.043143.24298@augean.eleceng.adelaide.edu.AU> dabbott@augean.eleceng.adelaide.edu.AU (Derek Abbott) writes: >Imagine you are a stone age philosopher. All you have are your big chunky >stone tools to work with to engineer with for everyday life. > >You produce a persuasive argument that it is impossible to ever produce >tools, machines and measurements that are accurate to within micrometers >(or fractions of a camel's hair). Unfortunately, your fellow stone-age engineers aren't listening to you. They are too busy building aqueducts with a uniform fall of one part in 200, over twenty kilometers; stone platforms that are level to one part in fifty thousand; and enormous pyramids where the blocks fit together with an accuracy of better than a quarter of a millimeter.
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Newsgroups: sci.physics Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!news.sei.cmu.edu!firth From: firth@sei.cmu.edu (Robert Firth) Subject: Re: Measurement & Precision Message-ID: <1992Nov9.133131.6046@sei.cmu.edu> Organization: Software Engineering Institute References: <1992Nov2.043143.24298@augean.eleceng.adelaide.edu.AU> Date: Mon, 9 Nov 1992 13:31:31 GMT Lines: 14