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 »
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    Last post by RJN
  • Cosmology: Mass and Energy I
    by SsDd »
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    Last post by eurbelts
  • UFOs and Pseudoscience
    by SsDd »
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    Last post by Ann
  • Delayed Choice Quantum Eraser
    by SsDd »
    17 Replies
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    Last post by dllamas
  • Quantum Splitting
    by SsDd »
    3 Replies
    55900 Views
    Last post by Carl Eriksson
  • Double Slit Experiments II
    by SsDd »
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    36207 Views
    Last post by geckzilla
  • Uncertainty Principle III:- Single Slit Experiment
    by SsDd »
    2 Replies
    36789 Views
    Last post by bystander
  • Big Bang, The
    by SsDd »
    1 Replies
    55827 Views
    Last post by objetivonocturno
  • Black Hole Evaporation
    by SsDd »
    4 Replies
    50573 Views
    Last post by jameshardy
  • Inflation
    by SsDd »
    1 Replies
    34722 Views
    Last post by juanacsanford
  • Uncertainty Principle I
    by SsDd »
    1 Replies
    37450 Views
    Last post by Psnarf
  • Double Slit Hide and Seek
    by SsDd »
    4 Replies
    39838 Views
    Last post by DG1
  • Double Slit IV: Quantum Eraser: Home Version
    by SsDd »
    3 Replies
    37808 Views
    Last post by owlice
  • Distance Scales in the Universe II
    by SsDd »
    1 Replies
    35033 Views
    Last post by MrsDK
  • Arrow of Time, The
    by SsDd »
    1 Replies
    40432 Views
    Last post by smitty
  • Special Relativity I
    by SsDd »
    10 Replies
    59115 Views
    Last post by FlamencoChuck
  • Pauli's Exclusion Principle
    by SsDd »
    1 Replies
    34992 Views
    Last post by zemoxian
  • Speed of Gravity
    by SsDd »
    4 Replies
    37042 Views
    Last post by Chris Peterson
  • Distance Scales in the Universe I
    by SsDd »
    3 Replies
    40719 Views
    Last post by noiro
  • Virtual Particles
    by SsDd »
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    Last post by LimeyJim
  • Special Relativity III: Hard Paradoxes
    by SsDd »
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    57008 Views
    Last post by Roger Overcash
  • Search for Life:- Extrasolar Planets
    by SsDd »
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    36286 Views
    Last post by dougettinger
  • Potpourri:- Gravity
    by SsDd »
    3 Replies
    35928 Views
    Last post by dougettinger
  • General Relativity: Curved Spaces
    by SsDd »
    3 Replies
    44113 Views
    Last post by neufer
  • Maxwell's Demon
    by SsDd »
    2 Replies
    36228 Views
    Last post by Moonshadow
  • Search for Life:- SETI
    by SsDd »
    3 Replies
    36818 Views
    Last post by Céline Richard
  • String Theory (Overview)
    by SsDd »
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    33617 Views
    Last post by SsDd
  • Potpourri:- Quantum Mechanics
    by SsDd »
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    33829 Views
    Last post by SsDd
  • General Relativity: Black Holes
    by SsDd »
    1 Replies
    46213 Views
    Last post by maplebayou1
  • Expanding Universe
    by SsDd »
    1 Replies
    34136 Views
    Last post by bystander
  • Negative Mass
    by SsDd »
    5 Replies
    38145 Views
    Last post by maplebayou1
  • General Physics Paradoxes
    by SsDd »
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    34177 Views
    Last post by SsDd
  • Mathematical Fallacies
    by SsDd »
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    34009 Views
    Last post by SsDd
  • Parlor Tricks
    by SsDd »
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    33640 Views
    Last post by SsDd
  • Perpetual Motion
    by SsDd »
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    33890 Views
    Last post by SsDd
  • Time Travel II
    by SsDd »
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    32510 Views
    Last post by SsDd
  • Time Travel I
    by SsDd »
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    33238 Views
    Last post by SsDd
  • Double Slit Experiments I
    by SsDd »
    1 Replies
    37399 Views
    Last post by v13
  • Anthropic Principle, The
    by SsDd »
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    37484 Views
    Last post by SsDd
  • Multiverses
    by SsDd »
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    40174 Views
    Last post by SsDd
  • Quantum Entanglement I
    by SsDd »
    2 Replies
    43158 Views
    Last post by maplebayou1
  • Cosmology: Mass and Energy II
    by SsDd »
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    37277 Views
    Last post by SsDd
  • Age of the Universe
    by SsDd »
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    39889 Views
    Last post by SsDd
  • Microwave Background
    by SsDd »
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    32342 Views
    Last post by SsDd
  • Olbers Paradox and the Distant Universe
    by SsDd »
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    34942 Views
    Last post by SsDd
  • Trip to a Black Hole II
    by SsDd »
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    35485 Views
    Last post by SsDd
  • Trip to a Black Hole I
    by SsDd »
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    38458 Views
    Last post by SsDd
  • Le Sage Gravity
    by SsDd »
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    32902 Views
    Last post by SsDd
  • Double Slit III: Delayed Choice
    by SsDd »
    1 Replies
    36466 Views
    Last post by maplebayou1
  • Quantum Tunneling and Spin
    by SsDd »
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    33672 Views
    Last post by SsDd
  • Quantum Entanglement II
    by SsDd »
    0 Replies
    33951 Views
    Last post by SsDd
  • Quantum Mechanics II:- Schrodinger's Cat
    by SsDd »
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    40432 Views
    Last post by SsDd
  • Quantum Mechanics I:- Interpretations
    by SsDd »
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    34065 Views
    Last post by SsDd
  • Uncertainty Principle II:- Circumventions
    by SsDd »
    0 Replies
    33140 Views
    Last post by SsDd
  • Spaceship Relativity
    by SsDd »
    0 Replies
    39004 Views
    Last post by SsDd
  • Special Relativity II: Paradoxes
    by SsDd »
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    33955 Views
    Last post by SsDd

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