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      <title>David Harrison Prize 2020 by iwp</title>
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      <description>Ideas for short presntations on any area of Maths you find interesting.......</description>
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      <pubDate>2020-04-21 07:07:20 UTC</pubDate>
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         <title>Banache-Tarski theorem... 2 halves are more than a whole</title>
         <author>iwp</author>
         <link>https://padlet.com/iwp/mzepnf3wxv4d56mg/wish/519387143</link>
         <description><![CDATA[<div>A clever way to cut a diamond in half and have two equally large diamonds as a result!!</div>]]></description>
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         <pubDate>2020-04-21 07:09:20 UTC</pubDate>
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         <title>Monty hall problem</title>
         <author>ludlamj</author>
         <link>https://padlet.com/iwp/mzepnf3wxv4d56mg/wish/521391882</link>
         <description><![CDATA[<div>A problem about probability.<br>3 doors, 1 car, and 2 goats. You get the choice to switch after 1 door is revealed to be a goat. Do you switch?<br><br></div>]]></description>
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         <pubDate>2020-04-21 20:48:14 UTC</pubDate>
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         <title>Ptolemy’s theorem </title>
         <author>kananf</author>
         <link>https://padlet.com/iwp/mzepnf3wxv4d56mg/wish/524937700</link>
         <description><![CDATA[<div>It’s about cyclic quadrilaterals .......</div>]]></description>
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         <pubDate>2020-04-23 07:13:34 UTC</pubDate>
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         <title>Π and prime numbers</title>
         <author>fengs1</author>
         <link>https://padlet.com/iwp/mzepnf3wxv4d56mg/wish/535238867</link>
         <description><![CDATA[<div>Deriving Leibniz's Formula from counting lattice points in a circle thus estimating Π</div>]]></description>
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         <pubDate>2020-04-28 04:27:47 UTC</pubDate>
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         <title>prisoners dilemma </title>
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         <link>https://padlet.com/iwp/mzepnf3wxv4d56mg/wish/535819084</link>
         <description><![CDATA[<div>The <strong>prisoner's dilemma</strong> is a paradox in decision analysis in which two individuals acting in their own self-interests do not produce the optimal outcome. The typical <strong>prisoner's dilemma</strong> is set up in such a way that both parties choose to protect themselves at the expense of the other participant.</div>]]></description>
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         <pubDate>2020-04-28 09:39:31 UTC</pubDate>
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         <title>Conway&#39;s Surreal Numbers</title>
         <author>crewsp1</author>
         <link>https://padlet.com/iwp/mzepnf3wxv4d56mg/wish/536039462</link>
         <description><![CDATA[<div>...</div>]]></description>
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         <pubDate>2020-04-28 11:20:22 UTC</pubDate>
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         <title></title>
         <author>ludlamj</author>
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         <pubDate>2020-05-19 08:42:08 UTC</pubDate>
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