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    <title>Bartosz Ciechanowski</title>
    <link>https://ciechanow.ski/</link>
    <description>Recent content on Bartosz Ciechanowski</description>
    
    
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      <title>Airfoil</title>
      <link>https://ciechanow.ski/airfoil/</link>
      <pubDate>Tue, 27 Feb 2024 04:00:00 -0800</pubDate>
      
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      <description>&lt;p&gt;The dream of soaring in the sky like a bird has captivated the human mind for &lt;a href=&#34;https://en.wikipedia.org/wiki/Icarus&#34;&gt;ages&lt;/a&gt;. Although many failed, some eventually &lt;a href=&#34;https://en.wikipedia.org/wiki/Wright_Flyer&#34;&gt;succeeded&lt;/a&gt; in achieving that goal. These days we take air transportation for granted, but the physics of flight can still be puzzling.&lt;/p&gt;
&lt;p&gt;In this article we&amp;rsquo;ll investigate what makes airplanes fly by looking at the forces generated by the flow of air around the aircraft&amp;rsquo;s wings. More specifically, we&amp;rsquo;ll focus on the cross section of those wings to reveal the shape of an &lt;a href=&#34;https://en.wikipedia.org/wiki/Airfoil&#34;&gt;&lt;em&gt;airfoil&lt;/em&gt;&lt;/a&gt; – you can see it presented in &lt;span class=&#34;cross_section&#34;&gt;&lt;strong&gt;yellow&lt;/strong&gt;&lt;/span&gt; below:&lt;/p&gt;&lt;br&gt;&lt;br&gt;This article has many interactive demonstrations which are best seen &lt;a href="https://ciechanow.ski/airfoil/"&gt;on the website&lt;/a&gt;.
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      <title>Bicycle</title>
      <link>https://ciechanow.ski/bicycle/</link>
      <pubDate>Tue, 28 Mar 2023 04:00:00 -0800</pubDate>
      
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      <description>There is something delightful about riding a bicycle. Once mastered, the simple action of pedaling to move forward and turning the handlebars to steer makes bike riding an effortless activity. In the demonstration below, you can guide the rider with the slider, and you can also drag the view around to change the camera angle:
  Compared to internal combustion engines or mechanical watches, bicycles are fairly simple machines – most of their parts operate in plain sight.&lt;br&gt;&lt;br&gt;This article has many interactive demonstrations which are best seen &lt;a href="https://ciechanow.ski/bicycle/"&gt;on the website&lt;/a&gt;.
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