Classroom: Extraordinary Concepts in Physics

Interesting physics explained with many thought experiments and little math.
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  • Introduction: Extraordinary Concepts in Physics
    by RJN » Fri Aug 27, 2010 6:28 pm
    0 Replies
    30819 Views
    Last post by RJN
    Fri Aug 27, 2010 6:28 pm
  • Age of the Universe
    by SsDd » Mon Nov 01, 2010 5:36 pm
    0 Replies
    14186 Views
    Last post by SsDd
    Mon Nov 01, 2010 5:36 pm
  • Anthropic Principle, The
    by SsDd » Tue Nov 09, 2010 6:31 am
    0 Replies
    12384 Views
    Last post by SsDd
    Tue Nov 09, 2010 6:31 am
  • Arrow of Time, The
    by SsDd » Thu Nov 11, 2010 6:33 am
    1 Replies
    13601 Views
    Last post by smitty
    Wed May 18, 2011 4:08 pm
  • Big Bang, The
    by SsDd » Mon Nov 01, 2010 5:41 pm
    1 Replies
    20670 Views
    Last post by objetivonocturno
    Tue Oct 07, 2014 6:49 am
  • Black Hole Evaporation
    by SsDd » Tue Oct 12, 2010 8:40 am
    4 Replies
    21434 Views
    Last post by jameshardy
    Fri Apr 26, 2013 5:26 pm
  • Cosmology: Mass and Energy I
    by SsDd » Thu Nov 04, 2010 4:59 am
    3 Replies
    17994 Views
    Last post by eurbelts
    Thu Aug 09, 2018 9:25 am
  • Cosmology: Mass and Energy II
    by SsDd » Thu Nov 04, 2010 5:02 am
    0 Replies
    11541 Views
    Last post by SsDd
    Thu Nov 04, 2010 5:02 am
  • Delayed Choice Quantum Eraser
    by SsDd » Fri Oct 01, 2010 12:05 am
    17 Replies
    36316 Views
    Last post by dllamas
    Mon Sep 07, 2015 9:02 pm
  • Distance Scales in the Universe I
    by SsDd » Mon Aug 30, 2010 10:00 pm
    3 Replies
    12914 Views
    Last post by noiro
    Sat Feb 26, 2011 10:59 pm
  • Distance Scales in the Universe II
    by SsDd » Thu Sep 02, 2010 12:08 am
    1 Replies
    12378 Views
    Last post by MrsDK
    Sun May 22, 2011 6:48 pm
  • Double Slit Experiments I
    by SsDd » Mon Sep 20, 2010 5:34 pm
    1 Replies
    14036 Views
    Last post by v13
    Sat Nov 13, 2010 7:27 pm
  • Double Slit Experiments II
    by SsDd » Mon Sep 20, 2010 5:49 pm
    2 Replies
    13125 Views
    Last post by geckzilla
    Thu Mar 26, 2015 8:26 pm
  • Double Slit Hide and Seek
    by SsDd » Tue Oct 05, 2010 12:52 am
    4 Replies
    14841 Views
    Last post by DG1
    Sat Jan 28, 2012 12:48 pm
  • Double Slit III: Delayed Choice
    by SsDd » Fri Sep 24, 2010 12:45 am
    1 Replies
    12218 Views
    Last post by maplebayou1
    Wed Oct 06, 2010 1:14 am
  • Double Slit IV: Quantum Eraser: Home Version
    by SsDd » Fri Sep 24, 2010 12:47 am
    3 Replies
    13048 Views
    Last post by owlice
    Thu Jul 21, 2011 9:35 am
  • Expanding Universe
    by SsDd » Tue Oct 26, 2010 6:20 pm
    1 Replies
    11452 Views
    Last post by bystander
    Tue Dec 07, 2010 8:39 pm
  • General Physics Paradoxes
    by SsDd » Wed Dec 01, 2010 6:12 pm
    0 Replies
    11917 Views
    Last post by SsDd
    Wed Dec 01, 2010 6:12 pm
  • General Relativity: Black Holes
    by SsDd » Thu Oct 21, 2010 3:05 pm
    1 Replies
    21907 Views
    Last post by maplebayou1
    Wed Dec 08, 2010 2:13 am
  • General Relativity: Curved Spaces
    by SsDd » Wed Oct 27, 2010 4:56 am
    3 Replies
    17959 Views
    Last post by neufer
    Tue Feb 08, 2011 10:48 pm
  • Inflation
    by SsDd » Wed Oct 27, 2010 7:18 pm
    1 Replies
    11637 Views
    Last post by juanacsanford
    Sun Apr 14, 2013 5:07 am
  • Le Sage Gravity
    by SsDd » Tue Oct 12, 2010 8:47 am
    0 Replies
    11185 Views
    Last post by SsDd
    Tue Oct 12, 2010 8:47 am
  • Mathematical Fallacies
    by SsDd » Wed Dec 01, 2010 6:00 pm
    0 Replies
    11623 Views
    Last post by SsDd
    Wed Dec 01, 2010 6:00 pm
  • Maxwell's Demon
    by SsDd » Thu Oct 21, 2010 3:08 pm
    2 Replies
    12179 Views
    Last post by Moonshadow
    Mon Jan 24, 2011 8:40 am
  • Microwave Background
    by SsDd » Wed Oct 27, 2010 7:19 pm
    0 Replies
    10917 Views
    Last post by SsDd
    Wed Oct 27, 2010 7:19 pm
  • Multiverses
    by SsDd » Tue Nov 09, 2010 6:27 am
    0 Replies
    15231 Views
    Last post by SsDd
    Tue Nov 09, 2010 6:27 am
  • Negative Mass
    by SsDd » Thu Nov 11, 2010 6:31 am
    5 Replies
    12565 Views
    Last post by maplebayou1
    Thu Dec 02, 2010 1:02 pm
  • Olbers Paradox and the Distant Universe
    by SsDd » Tue Oct 26, 2010 6:21 pm
    0 Replies
    11936 Views
    Last post by SsDd
    Tue Oct 26, 2010 6:21 pm
  • Parlor Tricks
    by SsDd » Wed Dec 01, 2010 2:46 am
    0 Replies
    11336 Views
    Last post by SsDd
    Wed Dec 01, 2010 2:46 am
  • Pauli's Exclusion Principle
    by SsDd » Thu Oct 21, 2010 3:09 pm
    1 Replies
    12021 Views
    Last post by zemoxian
    Tue Mar 15, 2011 5:43 pm
  • Perpetual Motion
    by SsDd » Wed Dec 01, 2010 2:42 am
    0 Replies
    11917 Views
    Last post by SsDd
    Wed Dec 01, 2010 2:42 am
  • Potpourri:- Gravity
    by SsDd » Tue Dec 07, 2010 7:07 am
    3 Replies
    11815 Views
    Last post by dougettinger
    Wed Feb 09, 2011 7:32 pm
  • Potpourri:- Quantum Mechanics
    by SsDd » Wed Dec 08, 2010 12:19 pm
    0 Replies
    11387 Views
    Last post by SsDd
    Wed Dec 08, 2010 12:19 pm
  • Quantum Entanglement I
    by SsDd » Tue Sep 28, 2010 7:25 am
    2 Replies
    17933 Views
    Last post by maplebayou1
    Sun Nov 07, 2010 1:04 pm
  • Quantum Entanglement II
    by SsDd » Tue Sep 28, 2010 7:29 am
    0 Replies
    11427 Views
    Last post by SsDd
    Tue Sep 28, 2010 7:29 am
  • Quantum Mechanics I:- Interpretations
    by SsDd » Tue Sep 14, 2010 2:17 am
    0 Replies
    11531 Views
    Last post by SsDd
    Tue Sep 14, 2010 2:17 am
  • Quantum Mechanics II:- Schrodinger's Cat
    by SsDd » Thu Sep 16, 2010 6:24 am
    0 Replies
    14965 Views
    Last post by SsDd
    Thu Sep 16, 2010 6:24 am
  • Quantum Splitting
    by SsDd » Thu Sep 30, 2010 11:55 pm
    3 Replies
    21170 Views
    Last post by Carl Eriksson
    Mon Jun 15, 2015 5:16 pm
  • Quantum Tunneling and Spin
    by SsDd » Tue Oct 05, 2010 3:12 am
    0 Replies
    11286 Views
    Last post by SsDd
    Tue Oct 05, 2010 3:12 am
  • Search for Life:- Extrasolar Planets
    by SsDd » Thu Nov 18, 2010 3:48 am
    3 Replies
    11979 Views
    Last post by dougettinger
    Thu Feb 10, 2011 9:13 pm
  • Search for Life:- SETI
    by SsDd » Thu Nov 18, 2010 3:44 am
    3 Replies
    12438 Views
    Last post by Céline Richard
    Wed Jan 12, 2011 9:03 pm
  • Spaceship Relativity
    by SsDd » Wed Sep 08, 2010 5:08 pm
    0 Replies
    15544 Views
    Last post by SsDd
    Wed Sep 08, 2010 5:08 pm
  • Special Relativity I
    by SsDd » Thu Sep 02, 2010 12:12 am
    10 Replies
    22086 Views
    Last post by FlamencoChuck
    Wed May 11, 2011 4:06 am
  • Special Relativity II: Paradoxes
    by SsDd » Wed Sep 08, 2010 4:14 pm
    0 Replies
    11428 Views
    Last post by SsDd
    Wed Sep 08, 2010 4:14 pm
  • Special Relativity III: Hard Paradoxes
    by SsDd » Wed Sep 08, 2010 4:41 pm
    5 Replies
    29041 Views
    Last post by Roger Overcash
    Mon Feb 14, 2011 2:35 am
  • Speed of Gravity
    by SsDd » Thu Oct 07, 2010 1:41 am
    4 Replies
    12625 Views
    Last post by Chris Peterson
    Mon Feb 28, 2011 5:38 am
  • String Theory (Overview)
    by SsDd » Thu Dec 09, 2010 4:16 am
    0 Replies
    11391 Views
    Last post by SsDd
    Thu Dec 09, 2010 4:16 am
  • Time Travel I
    by SsDd » Mon Nov 15, 2010 4:42 pm
    0 Replies
    11280 Views
    Last post by SsDd
    Mon Nov 15, 2010 4:42 pm
  • Time Travel II
    by SsDd » Mon Nov 15, 2010 4:56 pm
    0 Replies
    10941 Views
    Last post by SsDd
    Mon Nov 15, 2010 4:56 pm
  • Trip to a Black Hole I
    by SsDd » Thu Oct 21, 2010 3:00 pm
    0 Replies
    15594 Views
    Last post by SsDd
    Thu Oct 21, 2010 3:00 pm
  • Trip to a Black Hole II
    by SsDd » Thu Oct 21, 2010 3:02 pm
    0 Replies
    12634 Views
    Last post by SsDd
    Thu Oct 21, 2010 3:02 pm
  • UFOs and Pseudoscience
    by SsDd » Thu Dec 09, 2010 4:18 am
    5 Replies
    46480 Views
    Last post by Ann
    Fri Nov 24, 2017 6:56 am
  • Uncertainty Principle I
    by SsDd » Tue Sep 14, 2010 2:01 am
    1 Replies
    14706 Views
    Last post by Psnarf
    Wed Jan 09, 2013 2:50 pm
  • Uncertainty Principle II:- Circumventions
    by SsDd » Tue Sep 14, 2010 2:06 am
    0 Replies
    11108 Views
    Last post by SsDd
    Tue Sep 14, 2010 2:06 am
  • Uncertainty Principle III:- Single Slit Experiment
    by SsDd » Thu Sep 16, 2010 4:50 am
    2 Replies
    13139 Views
    Last post by bystander
    Fri Mar 20, 2015 6:16 pm
  • Virtual Particles
    by SsDd » Wed Oct 27, 2010 5:39 am
    1 Replies
    11424 Views
    Last post by LimeyJim
    Sat Feb 19, 2011 10:33 pm

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