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  </channel><item rdf:about="http://backreaction.blogspot.com/2016/03/researchers-propose-experiment-to.html">
    <title>Backreaction: Researchers propose experiment to measure the gravitational force of milli-gram objects, reaching almost into the quantum realm.</title>
    <dc:date>2016-03-24T17:29:40+00:00</dc:date>
    <link>http://backreaction.blogspot.com/2016/03/researchers-propose-experiment-to.html</link>
    <dc:creator>maciej</dc:creator><dc:subject>physics quantum gravity</dc:subject>
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<dc:identifier>https://pinboard.in/u:maciej/b:b4534c3e5137/</dc:identifier>
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<item rdf:about="http://www.npl.washington.edu/eotwash/sr">
    <title>Short Range Tests of Newton's Inverse-Square Law | The Eöt-Wash Group</title>
    <dc:date>2014-03-16T18:57:31+00:00</dc:date>
    <link>http://www.npl.washington.edu/eotwash/sr</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[Extremely sensitive gravity measurements at submillimeter range to exclude weird physics]]></description>
<dc:subject>physics gravity</dc:subject>
<dc:source>https://pinboard.in/</dc:source>
<dc:identifier>https://pinboard.in/u:maciej/b:33bc3cce312a/</dc:identifier>
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<item rdf:about="http://math.ucr.edu/home/baez/physics/Relativity/GR/grav_speed.html">
    <title>Does Gravity Travel at the Speed of Light?</title>
    <dc:date>2013-08-21T20:27:15+00:00</dc:date>
    <link>http://math.ucr.edu/home/baez/physics/Relativity/GR/grav_speed.html</link>
    <dc:creator>maciej</dc:creator><dc:subject>gravity physics</dc:subject>
<dc:source>https://pinboard.in/</dc:source>
<dc:identifier>https://pinboard.in/u:maciej/b:d5ef9a6adf66/</dc:identifier>
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<item rdf:about="http://www.nytimes.com/2010/07/13/science/13gravity.html?pagewanted=1&amp;8dpc&amp;_r=1">
    <title>A Scientist Takes On Gravity - NYTimes.com</title>
    <dc:date>2010-07-13T12:00:21+00:00</dc:date>
    <link>http://www.nytimes.com/2010/07/13/science/13gravity.html?pagewanted=1&amp;8dpc&amp;_r=1</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[Example of NYT content-free science journalism]]></description>
<dc:subject>science nyt gravity blather</dc:subject>
<dc:source>https://pinboard.in/</dc:source>
<dc:identifier>https://pinboard.in/u:maciej/b:15d99869167d/</dc:identifier>
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<item rdf:about="http://arxiv.org/abs/gr-qc/0501041">
    <title>[gr-qc/0501041] The basics of gravitational wave theory</title>
    <dc:date>2007-04-27T17:09:45+00:00</dc:date>
    <link>http://arxiv.org/abs/gr-qc/0501041</link>
    <dc:creator>maciej</dc:creator><dc:subject>gravity abstract</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:abb00dd30046/</dc:identifier>
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<item rdf:about="http://arxiv.org/abs/gr-qc/9704002">
    <title>[gr-qc/9704002] Controversies in the History of the Radiation Reaction problem in  General Relativity</title>
    <dc:date>2007-04-27T16:52:53+00:00</dc:date>
    <link>http://arxiv.org/abs/gr-qc/9704002</link>
    <dc:creator>maciej</dc:creator><dc:subject>gravity relativity abstract</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:901d142b999e/</dc:identifier>
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<item rdf:about="http://en.wikipedia.org/wiki/Gravity_Research_Foundation">
    <title>Gravity Research Foundation - Wikipedia, the free encyclopedia</title>
    <dc:date>2007-04-13T07:34:50+00:00</dc:date>
    <link>http://en.wikipedia.org/wiki/Gravity_Research_Foundation</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[Middlebury has one of these puppies.  "It is to remind students of the blessings forthcoming when a semi-insulator is discovered in order to harness gravity as a free power and reduce airplane accidents."]]></description>
<dc:subject>ha crank whoring college middlebury physics gravity</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:8bb102d0b6ec/</dc:identifier>
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<item rdf:about="http://theory2.phys.cwru.edu/~pete/GravitationalLens/GravitationalLens.html">
    <title>Lens an Astrophysicist!</title>
    <dc:date>2007-03-31T22:51:28+00:00</dc:date>
    <link>http://theory2.phys.cwru.edu/~pete/GravitationalLens/GravitationalLens.html</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[demo of gravitational lensing using point masses in front of giant images of astrophysical luminaries]]></description>
<dc:subject>ha cool gravity demo physics lensing einstein grocklebar</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:d16104e03899/</dc:identifier>
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<item rdf:about="http://math.ucr.edu/home/baez/RelWWW/">
    <title>Relativity on the World Wide Web</title>
    <dc:date>2007-03-30T16:20:09+00:00</dc:date>
    <link>http://math.ucr.edu/home/baez/RelWWW/</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[everything and more]]></description>
<dc:subject>relativity reference obsess physics gravity tutorial</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:6ddce855e16d/</dc:identifier>
<taxo:topics><rdf:Bag>	<rdf:li rdf:resource="https://pinboard.in/u:maciej/t:relativity"/>
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<item rdf:about="http://scientium.com/diagon_alley/commentary/bowden_essays/gravity/gravity.htm">
    <title>Gravityland by Bruce Bowden</title>
    <dc:date>2007-03-20T04:27:46+00:00</dc:date>
    <link>http://scientium.com/diagon_alley/commentary/bowden_essays/gravity/gravity.htm</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[neat stats on how your weight would change as you approached the earth's core]]></description>
<dc:subject>gravity tutorial</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:1c7b88df9bce/</dc:identifier>
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<item rdf:about="http://arxiv.org/abs/gr-qc/9210011">
    <title>[gr-qc/9210011] Canonical Quantum Gravity and the Problem of Time</title>
    <dc:date>2007-03-02T07:11:28+00:00</dc:date>
    <link>http://arxiv.org/abs/gr-qc/9210011</link>
    <dc:creator>maciej</dc:creator><dc:subject>time quantum gravity cosmology</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:f88a4418c8a8/</dc:identifier>
<taxo:topics><rdf:Bag>	<rdf:li rdf:resource="https://pinboard.in/u:maciej/t:time"/>
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<item rdf:about="http://www.weburbia.com/physics/roll-uphill.html">
    <title>I know a place where things seem to roll uphill. How does it work?</title>
    <dc:date>2007-02-28T17:12:42+00:00</dc:date>
    <link>http://www.weburbia.com/physics/roll-uphill.html</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[neat list of places with the illusion]]></description>
<dc:subject>geo list gravity illusion</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:003c06773ff9/</dc:identifier>
<taxo:topics><rdf:Bag>	<rdf:li rdf:resource="https://pinboard.in/u:maciej/t:geo"/>
	<rdf:li rdf:resource="https://pinboard.in/u:maciej/t:list"/>
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<item rdf:about="http://www.matapp.unimib.it/~ferrario/mov/index.html">
    <title>Video Animations - n-body problem</title>
    <dc:date>2006-06-11T13:42:15+00:00</dc:date>
    <link>http://www.matapp.unimib.it/~ferrario/mov/index.html</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[pretty math animations, including giant buckyball with symmetry sauce]]></description>
<dc:subject>math gravity physics sim visualization cool</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:834450233ba1/</dc:identifier>
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<item rdf:about="http://metaresearch.org/cosmology/speed_of_gravity.asp">
    <title>The Speed of Gravity</title>
    <dc:date>2006-02-20T16:12:18+00:00</dc:date>
    <link>http://metaresearch.org/cosmology/speed_of_gravity.asp</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[what is the propagation speed of gravity? Dude lays into special relativity]]></description>
<dc:subject>physics hmm gravity relativity</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:06e2a54eaf5d/</dc:identifier>
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<item rdf:about="http://math.ucr.edu/home/baez/gr/outline2.html">
    <title>General Relativity Course Outline</title>
    <dc:date>2005-11-05T15:21:55+00:00</dc:date>
    <link>http://math.ucr.edu/home/baez/gr/outline2.html</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[general relativity made e-z]]></description>
<dc:subject>tutorial gravity einstein physics reference math</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:b9cf96e115b1/</dc:identifier>
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<item rdf:about="http://www.arxiv.org/abs/gr-qc/0504086">
    <title>[gr-qc/0504086] Was Einstein Right? Testing Relativity at the Centenary</title>
    <dc:date>2005-11-05T03:08:58+00:00</dc:date>
    <link>http://www.arxiv.org/abs/gr-qc/0504086</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[Clifford Will's survey paper on experiments testing predictions of General Relativity]]></description>
<dc:subject>physics reference survey einstein relativity gravity</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:56dd1408e619/</dc:identifier>
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<item rdf:about="http://neo.jpl.nasa.gov/news/news018.html">
    <title>New Analyses Identify a Small Possibility that Asteroid 1999 AN10 will KILL ALL HUMANS</title>
    <dc:date>2005-07-29T01:59:38+00:00</dc:date>
    <link>http://neo.jpl.nasa.gov/news/news018.html</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[interesting plots of gravitational 'keyholes' that would put AN10 into a resonant orbit for a low-probability 2044 or 2046 impact]]></description>
<dc:subject>nasa space astro gravity</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:08eaf4c1eae8/</dc:identifier>
<taxo:topics><rdf:Bag>	<rdf:li rdf:resource="https://pinboard.in/u:maciej/t:nasa"/>
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<item rdf:about="http://spaceguard.rm.iasf.cnr.it/tumblingstone/issues/num20/eng/keyhole.htm">
    <title>Tumbling Stone 20 - resonant returns, keyholes and all that</title>
    <dc:date>2005-07-29T01:55:36+00:00</dc:date>
    <link>http://spaceguard.rm.iasf.cnr.it/tumblingstone/issues/num20/eng/keyhole.htm</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[discussion of gravitational 'keyholes' - special oblong regions that will fling back a passing asteroid to smush the Earth in a future orbit]]></description>
<dc:subject>gravity space astro tutorial</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:d42601146316/</dc:identifier>
<taxo:topics><rdf:Bag>	<rdf:li rdf:resource="https://pinboard.in/u:maciej/t:gravity"/>
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<item rdf:about="http://www.keelynet.com/gravity/searl3.htm">
    <title>Schappeller, Searl and Gravity</title>
    <dc:date>2005-07-28T05:11:22+00:00</dc:date>
    <link>http://www.keelynet.com/gravity/searl3.htm</link>
    <dc:creator>maciej</dc:creator><description><![CDATA[debunking special relativity with ALL CAPS.  Stars apparently powered by "glowing magnetism", also gives construction details for an AG device]]></description>
<dc:subject>crank physics gravity aether</dc:subject>
<dc:identifier>https://pinboard.in/u:maciej/b:1ad1f04b6284/</dc:identifier>
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