<story><title>Lord Kelvin and his analog computer</title><url>https://spectrum.ieee.org/tide-predictions</url></story><parent_chain></parent_chain><comment><author>mdcurran</author><text>I feel embarrassed! Despite being from Glasgow, until now I&amp;#x27;ve never made the connection between the River Kelvin (and the surrounding Kelvingrove and Kelvinbridge), the statue in the park of someone called Baron Kelvin, and the unit of measurement.</text></comment>
<story><title>Lord Kelvin and his analog computer</title><url>https://spectrum.ieee.org/tide-predictions</url></story><parent_chain></parent_chain><comment><author>nico</author><text>There is a very good Veritasium video that talks about analog computers and Lord Kelvin’s tide prediction machine:&lt;p&gt;&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;youtu.be&amp;#x2F;IgF3OX8nT0w?feature=shared&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;youtu.be&amp;#x2F;IgF3OX8nT0w?feature=shared&lt;/a&gt;</text></comment>