<?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[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>http://direct.ecency.com</link><image><url>http://direct.ecency.com/logo512.png</url><title>RSS Feed</title><link>http://direct.ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Sat, 25 Apr 2026 13:18:42 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/qm-lessons/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[Schrödinger, the inventor of the master equation of quantum mechanics]]></title><description><![CDATA[After a short break due to a busy period in my offline life, here I am, back with a new post on quantum mechanics. In the previous episodes, I have described how a wave (or actually light) could also possess]]></description><link>http://direct.ecency.com/steemstem/@lemouth/schroedinger-the-inventor-of-the-master-equation-of-quantum-mechanics</link><guid isPermaLink="true">http://direct.ecency.com/steemstem/@lemouth/schroedinger-the-inventor-of-the-master-equation-of-quantum-mechanics</guid><category><![CDATA[steemstem]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Mon, 18 Dec 2017 20:31:09 GMT</pubDate><enclosure url="https://images.ecency.com/p/5CEvyaAfMXebL91AYZNAi92qMLkpVYiUn68RSTvtKe7fFbPdtPWzY6YeGEusc1jjynd3xkUL9B2SiQe6A?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Wave-particle duality aka the central pillar of quantum mechanics]]></title><description><![CDATA[In two of my last posts on quantum mechanics, I introduced the concept of the wave-particle duality. I have discussed that light (or actually waves) can exhibit the behavior of a particle (see here) and]]></description><link>http://direct.ecency.com/steemstem/@lemouth/wave-particle-duality-aka-the-central-pillar-of-quantum-mechanics</link><guid isPermaLink="true">http://direct.ecency.com/steemstem/@lemouth/wave-particle-duality-aka-the-central-pillar-of-quantum-mechanics</guid><category><![CDATA[steemstem]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Thu, 02 Nov 2017 22:32:06 GMT</pubDate><enclosure url="https://images.ecency.com/p/5CEvyaAfMXebL91AYZNAi92qMLkpVYiUn68RSTvtKe7fFbPdtPWzY6YeGEusc1jjynd3xkUL9B2SiQe6A?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Matter waves - a central concept in quantum mechanics]]></title><description><![CDATA[My quantum mechanics series on Steemit is probably the slowest of all my current Steemit projects. Anyways, I finally decided to go back to it and move on. In the last two posts, I described the first]]></description><link>http://direct.ecency.com/science/@lemouth/matter-waves-a-central-concept-in-quantum-mechanics</link><guid isPermaLink="true">http://direct.ecency.com/science/@lemouth/matter-waves-a-central-concept-in-quantum-mechanics</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Sat, 30 Sep 2017 12:46:24 GMT</pubDate><enclosure url="https://images.ecency.com/p/5CEvyaAfMXebL91AYZNAi92qMLkpVYiUn68RSTvtKe7fFbPdtPWzY6YeGEusc1jjynd3xkUL9B2SiQe6A?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Quantum mechanics lessons on Steemit - 10 - the Bohr model of the atom]]></title><description><![CDATA[In my last quantum mechanics post, I introduced the planetary model of the atom that was proposed by Rutherford at the beginning of the 20th century. I also explained, at the end of the post, why it was]]></description><link>http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-10-the-bohr-model-of-the-atom</link><guid isPermaLink="true">http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-10-the-bohr-model-of-the-atom</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Wed, 30 Aug 2017 15:01:30 GMT</pubDate><enclosure url="https://images.ecency.com/p/5CEvyaAfMXebL91AYZNAi92qMLkpVYiUn68RSTvtKe7fFbPdtPWzY6YeGEusc1jjynd3xkUL9B2SiQe6A?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Quantum mechanics lessons on Steemit - 9 - The planetary model of the atom]]></title><description><![CDATA[After a week of a well-deserved break, I am now back on tracks to discuss physics again. Instead of chatting about particle physics or cosmology, I decided this time to move on with my series of posts]]></description><link>http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-9-the-planetary-model-of-the-atom</link><guid isPermaLink="true">http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-9-the-planetary-model-of-the-atom</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Mon, 17 Jul 2017 15:51:18 GMT</pubDate><enclosure url="https://images.ecency.com/p/5CEvyaAfMXebL91AYZNAi92qMLkpVYiUn68RSTvtKe7fFbPdtPWzY6YeGEusc1jjynd3xkUL9B2SiQe6A?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Quantum mechanics lessons on Steemit - 8 - The Compton effect]]></title><description><![CDATA[I am very happy to restart today my Steemit quantum mechanics lecture series. The 7 previous episodes can be found at the end of this post. [image credits: Wikipedia] In my last article, I mentioned, at]]></description><link>http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-8-the-compton-effect</link><guid isPermaLink="true">http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-8-the-compton-effect</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Mon, 12 Jun 2017 14:25:45 GMT</pubDate><enclosure url="https://images.ecency.com/p/5CEvyaAfMXebL91AYZNAi92qMLkpVYiUn68RSTvtKe7fFbPdtPWzY6YeGEusc1jjynd3xkUL9B2SiQe6A?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Quantum mechanics lessons on Steemit - 7 - Quantization of the electromagnetic radiation and the birth of the photon]]></title><description><![CDATA[With the last two articles of this series (that are now already old as I am a slow writer), I described some phenomena that could not be explained with the help of what was called classical physics at]]></description><link>http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-7-quantization-of-the-electromagnetic-radiation-and-the-birth-of-the-photon</link><guid isPermaLink="true">http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-7-quantization-of-the-electromagnetic-radiation-and-the-birth-of-the-photon</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Wed, 08 Mar 2017 22:01:51 GMT</pubDate><enclosure url="https://images.ecency.com/p/5CEvyaAfMXebL91AYZNAi92qMLkpVYiUn68RSTvtKe7fFbPdtPWzY6YeGEusc1jjynd3xkUL9B2SiQe6A?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Quantum mechanics lessons on Steemit - 6 - the mysteries of the black bodies]]></title><description><![CDATA[In my previous article, I highlighted and explained one of the greatest mysteries in physics of the end of the 19th century and beginning of the 20th century: the understanding of the atomic spectra. But]]></description><link>http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-6-the-mysteries-of-the-black-bodies</link><guid isPermaLink="true">http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-6-the-mysteries-of-the-black-bodies</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Thu, 26 Jan 2017 17:06:42 GMT</pubDate><enclosure url="https://images.ecency.com/p/5CEvyaAfMXebL91AYZNAi92qMLkpVYiUn68RSTvtKe7fFbPdtPWzY6YeGEusc1jjynd3xkUL9B2SiQe6A?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Quantum mechanics lessons on Steemit - 5 - the mysteries of the atomic spectra]]></title><description><![CDATA[In this first quantum mechanics lecture for 2017, I follow the teaser shown in my post on the status of fundamental physics at the end of the 19th century. I hence discuss the problematics of the atomic]]></description><link>http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-5-the-mysteries-of-the-atomic-spectra</link><guid isPermaLink="true">http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-5-the-mysteries-of-the-atomic-spectra</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Fri, 13 Jan 2017 15:23:33 GMT</pubDate><enclosure url="https://images.ecency.com/p/5CEvyaAfMXebL91AYZNAi92qMLkpVYiUn68RSTvtKe7fFbPdtPWzY6YeGEusc1jjynd3xkUL9B2SiQe6A?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Quantum mechanics lessons on Steemit - 4 - fundamental physics at the beginning of the 20th century]]></title><description><![CDATA[Finally, after a while (really sorry about that), I have managed to write this fourth post of my quantum mechanics lecture notes series shared on Steemit. I have introduced this topic with my three first]]></description><link>http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-4-fundamental-physics-at-the-beginning-of-the-20th-century</link><guid isPermaLink="true">http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-4-fundamental-physics-at-the-beginning-of-the-20th-century</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Mon, 19 Dec 2016 18:24:45 GMT</pubDate><enclosure url="https://images.ecency.com/p/x7L2VMmVDP7RGrt6nrCiVZ8nPbrGz2hH79UjvgPxRiqYQCUJEMSR7pjtJAXe5BwVDkATUsp4oiakVTk?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Quantum mechanics lessons on Steemit - 3 - relevant systems of particles covered by quantum mechanics]]></title><description><![CDATA[This post is the third one of my Steemit project of sharing quantum mechanics lecture notes. In the previous posts, I have so far introduced the basic interactions, particle species and conservation laws]]></description><link>http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-3-relevant-systems-of-particles-covered-by-quantum-mechanics</link><guid isPermaLink="true">http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-3-relevant-systems-of-particles-covered-by-quantum-mechanics</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Wed, 09 Nov 2016 18:03:39 GMT</pubDate><enclosure url="https://images.ecency.com/p/hgjbks2vRxvmw5g3wbPu88fqaTq5SqM3Fk8KJT946LWnQjkxcvMGEexqucgVTqHyV2cd5NRiZcdVC9gcytQ8tFSHKk?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Quantum mechanics lessons on Steemit - 2 - particles, interactions and conservation laws]]></title><description><![CDATA[With this second post, I continue my project of sharing quantum mechanics lecture notes on Steemit. Having setup the first part of the context in my previous post, I am now moving on by describing the]]></description><link>http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-2-particles-interactions-and-conservation-laws</link><guid isPermaLink="true">http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-2-particles-interactions-and-conservation-laws</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Tue, 25 Oct 2016 19:57:03 GMT</pubDate><enclosure url="https://images.ecency.com/p/hgjbks2vRxvmw5g3wbPu88fqaTq5SqM3Fk8KJT946LWnQjkxcvMGEexqucgVTqHyV2cd5NRiZcdVC9gcytQ8tFSHKk?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Quantum mechanics lessons on Steemit - 1 - context and foundations]]></title><description><![CDATA[This post is the first of a series of posts aiming to share quantum mechanics lecture notes on Steemit. I am actually exporting onto the Steemit platform a quantum mechanics course that I have designed]]></description><link>http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-1-context-and-foundations</link><guid isPermaLink="true">http://direct.ecency.com/science/@lemouth/quantum-mechanics-lessons-on-steemit-1-context-and-foundations</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[lemouth]]></dc:creator><pubDate>Tue, 18 Oct 2016 18:17:18 GMT</pubDate><enclosure url="https://images.ecency.com/p/hgjbks2vRxvmw5g3wbPu88fqaTq5SqM3Fk8KJT946LWnQjkxcvMGEexqucgVTqHyV2cd5NRiZcdVC9gcytQ8tFSHKk?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>