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	<title>Modelling Waves and Swerves - Revision history</title>
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	<updated>2026-06-03T20:10:30Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<title>HECS: Created page with &quot;Before its most recent iteration as a site of Artistic Research, Bidston Observatory housed the National Oceanography Centre (NOC). A large part of the work which took place i...&quot;</title>
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		<updated>2022-04-17T08:40:28Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;Before its most recent iteration as a site of Artistic Research, Bidston Observatory housed the National Oceanography Centre (NOC). A large part of the work which took place i...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Before its most recent iteration as a site of Artistic Research, Bidston Observatory housed the National Oceanography Centre (NOC). A large part of the work which took place in the building was related to tidal prediction – speculating on what height the tide would be in any given place, at a given moment, depending on different natural and human influenced factors. &lt;br /&gt;
&lt;br /&gt;
In the second half of the 19th century tidal prediction was done through harmonic analysis, studying the graphical output of tidal prediction machines. Those early analog computers produced a wave-like form that, when output in a jagged way, had to be rubbed out and drawn in again by hand. There was even a name for this human job in assistance to the computation process: the ‘smoother’. &lt;br /&gt;
&lt;br /&gt;
A series of workshops for marine data modellers, tired oceanographers, software critics, and people concerned with the politics of predictive visualizations.&lt;br /&gt;
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More: http://www.bidstonobservatory.org/?modelling_waves_swerves&lt;br /&gt;
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[[Category: Activities]]&lt;/div&gt;</summary>
		<author><name>HECS</name></author>
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