<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[&amp;gt; The first ‘active’ greenhouse to be built, as was discovered by chance in 2001 in a historical document, was in 15th century AD Korea.]]></title><description><![CDATA[<p>&gt; The first ‘active’ greenhouse to be built, as was discovered by chance in 2001 in a historical document, was in 15th century AD Korea. On the basis of the surviving document, entitled ‘Growing Vegetables During Winter’, a reconstruction of the greenhouse was made, and it was found to combine traditional heating technology with sophisticated heat retention features and control of condensation.</p><p><a href="https://londonkoreanlinks.net/2019/11/22/the-worlds-first-active-greenhouse/" rel="nofollow noopener"><span>https://</span><span>londonkoreanlinks.net/2019/11/</span><span>22/the-worlds-first-active-greenhouse/</span></a></p><p>Via: <a href="https://permies.com/t/262705/Medieval-Korean-oiled-paper-greenhouses" rel="nofollow noopener"><span>https://</span><span>permies.com/t/262705/Medieval-</span><span>Korean-oiled-paper-greenhouses</span></a></p><p><a href="https://mastodon.social/tags/Permaculture" rel="tag">#<span>Permaculture</span></a> <a href="https://mastodon.social/tags/SolarPunk" rel="tag">#<span>SolarPunk</span></a> <a href="https://mastodon.social/tags/SolarPunkSunday" rel="tag">#<span>SolarPunkSunday</span></a></p>]]></description><link>https://forum.fedi.dk/topic/cc779e60-02fa-4e1f-8a3f-1d6dcc1103a7/gt-the-first-active-greenhouse-to-be-built-as-was-discovered-by-chance-in-2001-in-a-historical-document-was-in-15th-century-ad-korea.</link><generator>RSS for Node</generator><lastBuildDate>Tue, 14 Apr 2026 00:07:30 GMT</lastBuildDate><atom:link href="https://forum.fedi.dk/topic/cc779e60-02fa-4e1f-8a3f-1d6dcc1103a7.rss" rel="self" type="application/rss+xml"/><pubDate>Sun, 15 Mar 2026 05:54:28 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to &amp;gt; The first ‘active’ greenhouse to be built, as was discovered by chance in 2001 in a historical document, was in 15th century AD Korea. on Sun, 15 Mar 2026 06:34:13 GMT]]></title><description><![CDATA[<p><span><a href="/user/carapace%40mastodon.social">@<span>carapace</span></a></span> <a href="https://en.wikipedia.org/wiki/Kang_(heated_platform)" rel="nofollow noopener"><span>https://</span><span>en.wikipedia.org/wiki/Kang_(he</span><span>ated_platform)</span></a></p>]]></description><link>https://forum.fedi.dk/post/https://snabelen.no/users/dalstroka/statuses/116231795747798795</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://snabelen.no/users/dalstroka/statuses/116231795747798795</guid><dc:creator><![CDATA[dalstroka@snabelen.no]]></dc:creator><pubDate>Sun, 15 Mar 2026 06:34:13 GMT</pubDate></item><item><title><![CDATA[Reply to &amp;gt; The first ‘active’ greenhouse to be built, as was discovered by chance in 2001 in a historical document, was in 15th century AD Korea. on Sun, 15 Mar 2026 06:02:24 GMT]]></title><description><![CDATA[<p>&gt; Ondol (ON-dol; /ˈɒn.dɒl/,[1] Korean: 온돌; Hanja: 溫突/溫堗; Korean pronunciation: [on.dol]) or gudeul (구들; [ku.dɯl]) in Korean traditional architecture is underfloor heating that uses direct heat transfer from wood smoke to heat the underside of a thick masonry floor.</p><p><a href="https://en.wikipedia.org/wiki/Ondol" rel="nofollow noopener"><span>https://</span><span>en.wikipedia.org/wiki/Ondol</span><span></span></a></p>]]></description><link>https://forum.fedi.dk/post/https://mastodon.social/users/carapace/statuses/116231670628072350</link><guid isPermaLink="true">https://forum.fedi.dk/post/https://mastodon.social/users/carapace/statuses/116231670628072350</guid><dc:creator><![CDATA[carapace@mastodon.social]]></dc:creator><pubDate>Sun, 15 Mar 2026 06:02:24 GMT</pubDate></item></channel></rss>