Special and General Relativity Forum

Join in expert discussion on special and general relativity discussion. Relativity is the dependence of various physical phenomena on relative motion of the observer and the observed objects.

Threads

Graduate Gravity, Gravitons, and Geodesics.

  • Glenn
  • · Replies 20 ·
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Request for Opinion on DW's Excellent Website - Geocities.com/zcphysicsms

  • pmb_phy
  • · Replies 2 ·
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2

Graduate Why do the Einstein Field Equations have multiple solutions?

  • kurious
  • · Replies 9 ·
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9

Graduate What Happens to Light Speed When Measured from a Fast-Moving Space Station?

  • zoobyshoe
  • · Replies 119 ·
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Graduate Weyl Curvature, Mach's Principle, and Heisenberg Uncertainty?

  • PFanalog57
  • · Replies 2 ·
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Graduate Length contraction and field theory

  • kurious
  • · Replies 8 ·
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8

Graduate Dought regarding equivalence principle

  • einstein_vishnu
  • · Replies 5 ·
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5

Graduate Question about special relativity

  • µ³
  • · Replies 11 ·
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11

Undergrad Einstein's Constant: The Speed of Light Irrespective of Source

  • HIGHLYTOXIC
  • · Replies 4 ·
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4

Graduate Metrics in Special Relativity & General Relativity

  • kurious
  • · Replies 3 ·
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3

Graduate What are the implications of gravity and other dimensions in our universe?

  • Alkatran
  • · Replies 1 ·
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Graduate Solution to GR Field Equations

  • zeronem
  • · Replies 2 ·
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Graduate Time Distortion Debate: Tom & Jerry's Tennis Ball Experiment

  • RAD4921
  • · Replies 24 ·
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Graduate What Happens to Gravity Fields When They Change?

  • Phymath
  • · Replies 9 ·
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9

Graduate Uniformity of dark energy distribution

  • kurious
  • · Replies 2 ·
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2

Undergrad Can Relativity Prove Existence?

  • Imparcticle
  • · Replies 14 ·
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14

Undergrad Time Dilation: Is Distance a Factor?

  • Moose352
  • · Replies 2 ·
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2

Undergrad Is Time Travel Possible When Objects Cannot Coexist in Different Time Periods?

  • Themuffinman
  • · Replies 6 ·
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Graduate What is the true relationship between speed and mass?

  • Dook
  • · Replies 49 ·
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Graduate Dayton Miller's Ether-Drift: Fact or Fiction?

  • PFanalog57
  • · Replies 10 ·
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10

Does Time have a beggining? an End?

  • Themuffinman
  • · Replies 5 ·
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5

Undergrad Nothing can travel faster than the speed of light

  • NanakiXIII
  • · Replies 12 ·
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12

Graduate Mass, Inertia, Charges & Space-Time: Positioning in Order

  • Reflector
  • · Replies 4 ·
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4

Graduate If you back in time and shooting yourself, do you die?

  • Edward Teller
  • · Replies 4 ·
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4

Graduate How Does Time Geometry Affect the Concept of Event Simultaneity in Relativity?

  • Antonio Lao
  • · Replies 7 ·
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Graduate Time travel and Multiverse Theory

  • chronus
  • · Replies 42 ·
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Graduate Time Travel: Paradox, Parallel or Repetitive?

  • Whitestar
  • · Replies 5 ·
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5

Graduate Why Haven't Two Clocks on a Table Been Used to Measure Light's One-Way Speed?

  • Martin Miller
  • · Replies 268 ·
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Graduate Speed of Light Broken? | Special Relativity

  • Nenad
  • · Replies 6 ·
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6

Undergrad How Does Gravity Shape Space-Time Beyond Simple Indentations?

  • C3l7
  • · Replies 9 ·
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9

Graduate Why is then Time Travel possible?

  • HIGHLYTOXIC
  • · Replies 31 ·
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Undergrad Could 2D Time Revolutionize Tic-Tac-Toe Gameplay?

  • Alkatran
  • · Replies 2 ·
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Is Time Travel Just a Concept?

  • shadowman
  • · Replies 71 ·
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Graduate What is the primary concept between absoluteness and relativity?

  • Michael F. Dmitriyev
  • · Replies 9 ·
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9

Undergrad Does Time Dilation Make Me See More?

  • omin
  • · Replies 4 ·
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4

Graduate Metric Tensor & 4-Vector: Unit of Measurement

  • Sammywu
  • · Replies 18 ·
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18

Undergrad Gravity: Attraction of Two Particles vs. Two Objects

  • imi
  • · Replies 4 ·
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4

Graduate Has ayone seen the lost simultaneity?

  • geistkiesel
  • · Replies 114 ·
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Graduate Visualizing Space: A Thought Experiment with a Rotating Rod and Flashlight

  • petmar
  • · Replies 11 ·
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Graduate Movement through space or movement through time?

  • kurious
  • · Replies 2 ·
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Graduate Does mass decrease with expansion

  • Mike2
  • · Replies 4 ·
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Graduate Questions of the equivalence principle

  • Garth
  • · Replies 8 ·
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8

Graduate What Did Einstein Mean by "Everything Travels at the Speed of Light"?

  • RAD4921
  • · Replies 10 ·
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10

Graduate Equivalence and derivation of general relativity

  • kurious
  • · Replies 2 ·
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2

High School Why Can't Anything Travel Faster Than Light?

  • Riko
  • · Replies 19 ·
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19

Undergrad Clarifying Confusion: Understanding Einstein's Theory of Relativity

  • Alkatran
  • · Replies 3 ·
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Graduate Today Special Relativity dies

  • ram1024
  • · Replies 529 ·
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Graduate Is the temperature of a black hole infinite as its mass approaches zero?

  • kurious
  • · Replies 2 ·
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Graduate Solving the Riddle of Sorts: Who Signed the Peace Agreement First?

  • Tom McCurdy
  • · Replies 4 ·
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Graduate Red shift frequency from a black hole

  • Tyro
  • · Replies 1 ·
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Graduate Today Special Relativity is still alive

  • Lama
  • · Replies 22 ·
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Graduate Michelson - Morley Experiment Revisited

  • energia
  • · Replies 81 ·
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If we are light, what would we see?

  • touqra
  • · Replies 10 ·
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Graduate How do gravitons behave in relation to general relativity?

  • fbsthreads
  • · Replies 1 ·
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Graduate Does the gravitational force actually exist?

  • Arawn
  • · Replies 10 ·
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Graduate Unification of Quantum Theory and General Relativity

  • PFanalog57
  • · Replies 6 ·
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6

Graduate Resolve the Bug-Rivet Paradox - Strange SR Paradox

  • zefram_c
  • · Replies 5 ·
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Graduate Curvature and General Relativity

  • kurious
  • · Replies 11 ·
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11

Graduate Relativity Paradox: Clock Readings at B & B*

  • yogi
  • · Replies 16 ·
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16

Graduate Why Does Time Behave So Uniquely in the Sun's Core?

  • idontthinkright
  • · Replies 2 ·
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2

Undergrad What Happens to Gravitational Force at the Center of the Earth?

  • uranium_235
  • · Replies 9 ·
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9

Graduate Official speculation as to constant c

  • meemoe_uk
  • · Replies 10 ·
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10

Graduate Experimental support for SR & GR

  • Chi Meson
  • · Replies 28 ·
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28

Graduate Can string/brane theory generate spacetime warps with gravitons?

  • selfAdjoint
  • · Replies 12 ·
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Graduate Curvature of reciprocal Euclidean space

  • Loren Booda
  • · Replies 2 ·
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Graduate Two event horizons in close proximity

  • kurious
  • · Replies 4 ·
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4

Will 2025 be the next big celebration for physics?

  • quartodeciman
  • · Replies 2 ·
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2

Graduate Richard Feynman's Spacetime Paradox: Can We Know Things in Space-Like Intervals?

  • Hyperreality
  • · Replies 2 ·
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Graduate Entropy & Black Holes: The Relationship Between Area & Information

  • kurious
  • · Replies 6 ·
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6

Graduate Can Gravitational Waves Influence Photon Polarization in EPR Experiments?

  • kurious
  • · Replies 1 ·
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1

Graduate Gravity & LIGO: Wave Length, Amplitude & Gravitons

  • kurious
  • · Replies 2 ·
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2

Undergrad Calculating speed from acceleration

  • confutatis
  • · Replies 23 ·
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Graduate False Claims of Gravity Propagation Limit

  • Växan
  • · Replies 3 ·
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3

Graduate Do Gravitons Lose Energy in a Proton's Gravitational Field?

  • kurious
  • · Replies 1 ·
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1

Graduate Einstein's Train and a simple consequence

  • robert Ihnot
  • · Replies 10 ·
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10

Graduate Isn't this a weak basis for time paradoxes ?

  • ndvcx
  • · Replies 94 ·
4
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Graduate Equivalence principle + light speed postulate =

  • Loren Booda
  • · Replies 6 ·
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6

Graduate General relativity and Newton's laws

  • kurious
  • · Replies 5 ·
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5

Graduate I can't see how stress-energy tensor meets the minumum tensor requirement

  • Sammywu
  • · Replies 4 ·
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4

Graduate Why do people talk as if the Twin Paradox is problematic?

  • syano
  • · Replies 43 ·
2
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Graduate What is the Relationship Between Space and Time?

  • Ygmaince241
  • · Replies 4 ·
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4

Graduate How are the Riemann tensor of curvature and the Hamilton operator connected?

  • member 11137
  • · Replies 2 ·
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Graduate One-off: Black drop problem an SR effect?

  • OneEye
  • · Replies 6 ·
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6

High School Gravity Above 8000km: How Distance Affects Attraction

  • no idea
  • · Replies 5 ·
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5

High School Unraveling the Time Travel Paradox - The Truth About Space and Time

  • smurfslappa
  • · Replies 10 ·
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10

Graduate Riemann-Christoffel Covariant differentation

  • Jinroh
  • · Replies 6 ·
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6

Undergrad Help With Dilation: Get Answers Here

  • Ulnarian
  • · Replies 11 ·
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11

Graduate Can you solve Einstein's Train Paradox?

  • geistkiesel
  • · Replies 28 ·
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28

Graduate Understanding Special Relativity: Counter Rotating Frames in Motion

  • DW
  • · Replies 5 ·
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5

Graduate String theory verses Special Relativity

  • Dlockwood
  • · Replies 3 ·
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3

Graduate Conundrum Regarding the Lack of an Absolute Frame of Reference

  • loseyourname
  • · Replies 49 ·
2
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Graduate Measuring Time: A Revolutionary Method

  • geistkiesel
  • · Replies 26 ·
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26

Graduate What is the relative speed of photons?

  • StarThrower
  • · Replies 100 ·
4
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Graduate Is It Possible to Escape a Black Hole Using Charge?

  • Narcissus
  • · Replies 5 ·
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5

Undergrad Two Questions about Black Holes and Laws of Physics

  • mrjeffy321
  • · Replies 4 ·
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4

Graduate Understanding Relativity: Demystifying the GPS Satellite System Calculation

  • Doctordick
  • · Replies 45 ·
2
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Graduate Why is energy-momentum symmetry important in special relativity?

  • krab
  • · Replies 72 ·
3
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Graduate Maximum Temporal Distance Between Events That Are Simultaneous in Another Frame

  • loseyourname
  • · Replies 2 ·
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2

Graduate Multiple Big Bangs: Could Symmetry Explain Quantum 'Spookieness'?

  • Reflector
  • · Replies 5 ·
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5

Graduate Is Relativity Incorrect? Examining Motion and Perception Evidence

  • wespe
  • · Replies 236 ·
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