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On 02/07/2020 01:38, Adrian Tymes wrote:<br>
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cite="mid:mailman.0.1593650304.1373.extropy-chat@lists.extropy.org">
<div dir="ltr">In large evaporative coolers: <a
href="https://en.wikipedia.org/wiki/Yakhch%C4%81l"
moz-do-not-send="true">https://en.wikipedia.org/wiki/Yakhch%C4%81l</a></div>
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<div dir="ltr" class="gmail_attr">On Wed, Jul 1, 2020 at 1:36 PM
William Flynn Wallace via extropy-chat <<a
href="mailto:extropy-chat@lists.extropy.org"
moz-do-not-send="true">extropy-chat@lists.extropy.org</a>>
wrote:<br>
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<div class="gmail_default" style="font-family:"comic
sans ms",sans-serif;font-size:small;color:rgb(0,0,0)">Here
is one I ran across in an article on air conditioning. In
ancient Egypt ice was made. How did they do it?</div>
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sans ms",sans-serif;font-size:small;color:rgb(0,0,0)"><br>
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<br>
I don't know if evaporative cooling on its own could make ice, but
it gets very cold at night in the desert, so maybe repeated exposure
at night and insulation through the day would do it.<br>
<pre class="moz-signature" cols="72">--
Ben Zaiboc</pre>
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