<?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>https://ecency.com</link><image><url>https://ecency.com/logo512.png</url><title>RSS Feed</title><link>https://ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Fri, 19 Jun 2026 20:17:31 GMT</lastBuildDate><atom:link href="https://ecency.com/created/negative-mass/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[-Force = -Mass × Acceleration]]></title><description><![CDATA["a negative and a positive make a negative:" Negative Mass "something called “exotic” matter (which falls up, rather than down)" "Sound has negative mass, and all around you it's]]></description><link>https://ecency.com/@sadcorp/force-mass-acceleration</link><guid isPermaLink="true">https://ecency.com/@sadcorp/force-mass-acceleration</guid><category><![CDATA[news]]></category><dc:creator><![CDATA[sadcorp]]></dc:creator><pubDate>Sat, 15 Feb 2025 13:15:00 GMT</pubDate><enclosure url="https://i.ecency.com/p/S5Eokt4BcQdk2bRb9gatmwEsdvNEZvoR6UsxtCobvPXj7gBBV5m8QQXNcaA44vJmEPGqvoQ?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Sound, Negative Mass & Gravity]]></title><description><![CDATA[""With the use of microwave-generated sound in a spherical flask of hot plasma, we achieved a gravity field that is 1,000 times stronger than Earth's gravity." Sulfur gas inside the ball]]></description><link>https://ecency.com/@sadcorp/sound-negative-mass-and-gravity</link><guid isPermaLink="true">https://ecency.com/@sadcorp/sound-negative-mass-and-gravity</guid><category><![CDATA[news]]></category><dc:creator><![CDATA[sadcorp]]></dc:creator><pubDate>Wed, 29 Jan 2025 03:16:48 GMT</pubDate><enclosure url="https://i.ecency.com/p/S5Eokt4BcQdk7EHeT1aYjzebg2hC7hkthT45dumY88W4dDMu4Wp3ijk8Q4tufVbnoh1nFLS?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>