<?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>Wed, 22 Apr 2026 01:04:04 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/dtube-steemstem/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[Full transcript of the only video interview with the father of vacuum electronics, the quadrupole mass spectrometer and charge clusters]]></title><description><![CDATA[Recording of transcript including reading of Kenneth Shoulders & JohnHutchison's 2010 meeting where they talked about the near infinite potential of "Charge Clusters" also known as "Exotic]]></description><link>http://direct.ecency.com/dtube/@mfmp/nzssv2y3</link><guid isPermaLink="true">http://direct.ecency.com/dtube/@mfmp/nzssv2y3</guid><category><![CDATA[dtube]]></category><dc:creator><![CDATA[mfmp]]></dc:creator><pubDate>Tue, 14 Nov 2017 23:12:18 GMT</pubDate><enclosure url="https://images.ecency.com/p/3HaJVw3AYyXBD5Md5tUD9YKkzGo1eoR2RP1hYxRaFr2CszZKmEL7gco2bPydfoFRajq9PKG5TvyE5GVG4a6U4T8okHgo2LikSNY9gyG?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[DTube: Integral of sin^3(x), sin^3(ax) with substitution and trigonometric identity]]></title><description><![CDATA[In this tutorial, we'll work through 2 different approaches to solving the integral of sin3(ax). Now, there maybe more ways of approaching this problem, but these were the most obvious to me. Using a]]></description><link>http://direct.ecency.com/dtube/@masterwu/ech208ff</link><guid isPermaLink="true">http://direct.ecency.com/dtube/@masterwu/ech208ff</guid><category><![CDATA[dtube]]></category><dc:creator><![CDATA[masterwu]]></dc:creator><pubDate>Sat, 07 Oct 2017 09:16:42 GMT</pubDate><enclosure url="https://images.ecency.com/p/B69zEhWZA8UBY9hoU8oh9J4ApKv6igLVANrFdPra54ryiNVKfg79WGzz9mVWXZpL4QPq6tVNPfLTG4ZzGroaNFRu87Z47B9um2pgkWsQ?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[DTube: The math behind your Camping Torch with dy/dx = -ky]]></title><description><![CDATA[We can apply the principle of exponential decay to find equations that model the charge remaining in a capacitor as it is discharged through a resistor. The circuit diagram is shown below... When the switch]]></description><link>http://direct.ecency.com/dtube/@masterwu/e8dwjhui</link><guid isPermaLink="true">http://direct.ecency.com/dtube/@masterwu/e8dwjhui</guid><category><![CDATA[dtube]]></category><dc:creator><![CDATA[masterwu]]></dc:creator><pubDate>Wed, 27 Sep 2017 12:45:42 GMT</pubDate><enclosure url="https://images.ecency.com/p/46aP2QbqUqBqwzwxM6L1P6uLNceBDDCMDkLA8sZndHNkETF8z8qJ366MvBDoWjN77pxKHvmUCnk12zEPiFMPC1yfAz9T?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[DTube: Integral of ∫√(a^2 - x^2)dx using a Trigonometric Substitution]]></title><description><![CDATA[What I love about mathematics is some of the very creative and ingenious methods that someone has come up with to find solutions to perplexing problems. The integral of √(a2 - x2) is a great example one]]></description><link>http://direct.ecency.com/dtube/@masterwu/6dfqg3vt</link><guid isPermaLink="true">http://direct.ecency.com/dtube/@masterwu/6dfqg3vt</guid><category><![CDATA[dtube]]></category><dc:creator><![CDATA[masterwu]]></dc:creator><pubDate>Mon, 25 Sep 2017 04:31:24 GMT</pubDate><enclosure url="https://images.ecency.com/p/3HaJVw3AYyXBD5Md5tUD9YKkzGo1eoR2RP1hYxRaFr2EXB72vfAiySio3Zxy6nibxqrieivtwxok6SfUSvfZYEbQMHgcgUmv7M2A9Ep?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[DTube: Modelling the Decay of Nuclear Medicine with dy/dx = -ky]]></title><description><![CDATA[Inasmuch as the differential equation dy/dx = ky models exponential growth, it follows that dy/dx = -ky models exponentially decaying processes. A exponential decay process, which is a slowing reduction]]></description><link>http://direct.ecency.com/dtube/@masterwu/0csyorjj</link><guid isPermaLink="true">http://direct.ecency.com/dtube/@masterwu/0csyorjj</guid><category><![CDATA[dtube]]></category><dc:creator><![CDATA[masterwu]]></dc:creator><pubDate>Sat, 23 Sep 2017 06:11:33 GMT</pubDate><enclosure url="https://images.ecency.com/p/B69zEhWZA8UBY9hoU8oh9J4ApKv6igLVANrFdPra54ryhkkKqMdi8QVCCwbtt82QfYTSHhgeyHB7FRQpFzR7xGU3Dkrqd6JCQu1cAXTe?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>