<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Aehter-archive Notes</title><description>Personal knowledge base</description><link>http://www.aether-ar.com/</link><language>en-us</language><item><title>LaTeX Syntax Reference in Markdown</title><link>http://www.aether-ar.com/en/notes/cs/latex/</link><guid isPermaLink="true">http://www.aether-ar.com/en/notes/cs/latex/</guid><description>Complete Guide to LaTeX (KaTeX) Input Syntax</description><pubDate>Thu, 09 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Markdown Syntax Reference</title><link>http://www.aether-ar.com/en/notes/cs/markdown/</link><guid isPermaLink="true">http://www.aether-ar.com/en/notes/cs/markdown/</guid><description>A comprehensive guide to Markdown syntax</description><pubDate>Thu, 09 Jul 2026 00:00:00 GMT</pubDate></item><item><title>E1. Hydrogen (P1)</title><link>http://www.aether-ar.com/en/notes/chem/1-hydrogen/</link><guid isPermaLink="true">http://www.aether-ar.com/en/notes/chem/1-hydrogen/</guid><description>Learning elemental chemistry through problems: the properties and applications of hydrogen and its compounds</description><pubDate>Tue, 07 Jul 2026 00:00:00 GMT</pubDate></item><item><title>Aether-ar Website</title><link>http://www.aether-ar.com/en/notes/others/aether-ar/</link><guid isPermaLink="true">http://www.aether-ar.com/en/notes/others/aether-ar/</guid><description>The website is now online</description><pubDate>Sat, 04 Jul 2026 00:00:00 GMT</pubDate></item></channel></rss>