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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
    9563 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
    3328 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
    2071 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
    2247 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
    4109 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
    6067 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
    2 Replies
    1465 Views
    Last post by juanacsanford
    Sun Apr 14, 2013 5:05 am
  • Cosmology: Mass and Energy II
    by SsDd » Thu Nov 04, 2010 5:02 am
    0 Replies
    989 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
    16 Replies
    2227 Views
    Last post by maplebayou1
    Wed Oct 13, 2010 11:20 am
  • Distance Scales in the Universe I
    by SsDd » Mon Aug 30, 2010 10:00 pm
    3 Replies
    1798 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
    1512 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
    2970 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
    0 Replies
    1171 Views
    Last post by SsDd
    Mon Sep 20, 2010 5:49 pm
  • Double Slit Hide and Seek
    by SsDd » Tue Oct 05, 2010 12:52 am
    4 Replies
    3536 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
    1037 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
    1720 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
    1039 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
    1273 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
    9660 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
    5412 Views
    Last post by neufer
    Tue Feb 08, 2011 10:48 pm
  • Inflation
    by SsDd » Wed Oct 27, 2010 7:18 pm
    1 Replies
    1045 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
    956 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
    1013 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
    1164 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
    783 Views
    Last post by SsDd
    Wed Oct 27, 2010 7:19 pm
  • Multiverses
    by SsDd » Tue Nov 09, 2010 6:27 am
    0 Replies
    2749 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
    1147 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
    875 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
    916 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
    1222 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
    1554 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
    877 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
    786 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
    6050 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
    897 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
    843 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
    2418 Views
    Last post by SsDd
    Thu Sep 16, 2010 6:24 am
  • Quantum Splitting
    by SsDd » Thu Sep 30, 2010 11:55 pm
    0 Replies
    677 Views
    Last post by SsDd
    Thu Sep 30, 2010 11:55 pm
  • Quantum Tunneling and Spin
    by SsDd » Tue Oct 05, 2010 3:12 am
    0 Replies
    740 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
    952 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
    1105 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
    3896 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
    7751 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
    996 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
    15955 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
    1487 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
    969 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
    850 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
    730 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
    4406 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
    1366 Views
    Last post by SsDd
    Thu Oct 21, 2010 3:02 pm
  • UFOs and Pseudoscience
    by SsDd » Thu Dec 09, 2010 4:18 am
    0 Replies
    1008 Views
    Last post by SsDd
    Thu Dec 09, 2010 4:18 am
  • Uncertainty Principle I
    by SsDd » Tue Sep 14, 2010 2:01 am
    1 Replies
    4026 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
    836 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
    0 Replies
    1481 Views
    Last post by SsDd
    Thu Sep 16, 2010 4:50 am
  • Virtual Particles
    by SsDd » Wed Oct 27, 2010 5:39 am
    1 Replies
    1182 Views
    Last post by LimeyJim
    Sat Feb 19, 2011 10:33 pm

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