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Enjoy an endless trip that begins 2500 years ago and still fascinates.</langstring><langstring xml:lang=""/></description><keyword><langstring xml:lang="en">Elelmentary particles</langstring><langstring xml:lang="en"> accelerators</langstring><langstring xml:lang="en"> CERN</langstring><langstring xml:lang="en"> forces</langstring><langstring xml:lang="en"> force carriers</langstring><langstring xml:lang="en"> leptons</langstring><langstring xml:lang="en"> hadrons</langstring><langstring xml:lang="en"> mesons</langstring><langstring xml:lang="en"> baryons </langstring></keyword></general><lifecycle><status><source>LOM v1.0</source><value>draft</value></status><version><langstring xml:lang="en">1.0</langstring></version><contribute><role><source>LOM v1.0</source><value>author</value></role><date><datetime>2012-07-06</datetime><description/></date><centity><vcard>Hiotelis Ioannis</vcard></centity></contribute><contribute><role><source>LOM v1.0</source><value>publisher</value></role><date><datetime>2012-07-06</datetime><description/></date><centity><vcard>Hiotelis Ioannis</vcard></centity></contribute></lifecycle><metametadata><language>en</language><metadatascheme>LOM v1.0</metadatascheme><contribute><role><source>LOM v1.0</source><value>creator</value></role><date><datetime>2012-07-06</datetime><description/></date><centity><vcard>Hiotelis Ioannis</vcard></centity></contribute><contribute><role><source>LOM v1.0</source><value>validator</value></role><date><datetime>2012-07-06</datetime><description/></date><centity><vcard>Hiotelis Ioannis</vcard></centity></contribute></metametadata><technical><duration><datetime/><description/></duration><requirement><type><source>LOM v1.0</source><value>browser</value></type><name><source>LOM v1.0</source><value>any</value></name><minimumversion/><maximumversion/></requirement><requirement><type><source>LOM v1.0</source><value>os</value></type><name><source>LOM v1.0</source><value>any</value></name><minimumversion/><maximumversion/></requirement><installationremarks/><otherplatformrequirements/><size></size><format>text/html</format><location>http://portal.discoverthecosmos.eu/node/187454</location></technical><rights><cost><source>LOM v1.0</source><value>no</value></cost><copyrightandotherrestrictions><source>LOM v1.0</source><value>no</value></copyrightandotherrestrictions><description/></rights><educational><interactivitytype><source>LOM v1.0</source><value>mixed</value></interactivitytype><interactivitylevel><source>LOM v1.0</source><value>high</value></interactivitylevel><semanticdensity><source/><value/></semanticdensity><difficulty><source>LOM v1.0</source><value>difficult</value></difficulty><learningresourcetype><source>LOM v1.0</source><value>Inquiry-Based Teaching</value></learningresourcetype><context><source>LOM v1.0</source><value>more than 2 didactic hours</value></context><typicalagerange><langstring xml:lang="en">15-18</langstring></typicalagerange></educational><classification><purpose><source>LOM v1.0</source><value>Discipline</value></purpose><taxonpath><source><langstring xml:lang="en">Science</langstring></source><taxon><id/><entry><langstring xml:lang="en">Astronomy: Big Bang</langstring><langstring xml:lang="en">Astronomy: Cosmology</langstring><langstring xml:lang="en">Astronomy: Galaxies</langstring><langstring xml:lang="en">Astronomy: Nucleosynthesis</langstring><langstring xml:lang="en">Astronomy: Origin and evolution of the universe</langstring><langstring xml:lang="en">Astronomy: Stars</langstring><langstring xml:lang="en">Astronomy: Universe - generally</langstring><langstring xml:lang="en">Atoms and molecules: Atomic structure</langstring><langstring xml:lang="en">Atoms and molecules: Atoms - generally</langstring><langstring xml:lang="en">Atoms and molecules: Electrons - generally</langstring><langstring xml:lang="en">Atoms and molecules: Nucleus: protons, neutrons</langstring><langstring xml:lang="en">High Energy Physics: Accelerators &amp; Beams</langstring><langstring xml:lang="en">High Energy Physics: Antimatter</langstring><langstring xml:lang="en">High Energy Physics: Calorimeters</langstring><langstring xml:lang="en">High Energy Physics: Charged particle acceleration</langstring><langstring xml:lang="en">High Energy Physics: Higgs particle</langstring><langstring xml:lang="en">High Energy Physics: Leptons </langstring><langstring xml:lang="en">High Energy Physics: Particle Cosmology</langstring><langstring xml:lang="en">High Energy Physics: Particle detectors</langstring><langstring xml:lang="en">High Energy Physics: Quarks &amp; Hadrons</langstring><langstring xml:lang="en">High Energy Physics: Standard model</langstring><langstring xml:lang="en">High Energy Physics: weak interactions: electroweak unification</langstring><langstring xml:lang="en">High Energy Physics: weak interactions: quarks &amp; leptons</langstring></entry></taxon></taxonpath><description/></classification></lom>
