Special and General Relativity Forum

Post thread
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.
Graduate What is the nature of mass and its relationship to movement?
  • · Replies 33 ·
2
Replies
33
Views
5K
Graduate Does relativistic mass have a gravitational component?
  • · Replies 60 ·
3
Replies
60
Views
11K
Graduate Is Time a Mobius Dimension in Relativity Theory?
  • · Replies 8 ·
Replies
8
Views
4K
Graduate The Pinwheel Paradox: What's the Solution?
  • · Replies 19 ·
Replies
19
Views
5K
Graduate Shape of the Universe: Conditions for Viable Theory
  • · Replies 17 ·
Replies
17
Views
5K
Graduate Theories of Relativity: Analogon
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad How Does Water Slow Down Light Without Violating Special Relativity?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate GR: A First Course in General Relativity
  • · Replies 22 ·
Replies
22
Views
7K
Graduate Does G.Relativity Violate Energy Basics?
  • · Replies 27 ·
Replies
27
Views
4K
Graduate Explaining C: How Space Changes with Speed
  • · Replies 105 ·
4
Replies
105
Views
13K
Graduate Correction to length contraction equation
  • · Replies 35 ·
2
Replies
35
Views
5K
Graduate Train Experiment: Does Simultaneity Depend on Frame of Reference?
  • · Replies 11 ·
Replies
11
Views
3K
Graduate How Does Einstein's Theory Explain the Nature of Space?
  • · Replies 22 ·
Replies
22
Views
4K
Graduate Is a change in earth's surface gravity detectable?
  • · Replies 9 ·
Replies
9
Views
5K
Graduate GR Questions: Light & Gravity Effects
  • · Replies 28 ·
Replies
28
Views
5K
Graduate What is the Entropy Value of a 5 Solar Mass Black Hole?
  • · Replies 2 ·
Replies
2
Views
3K
High School The difference b/t free fall and outer space
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Length Contraction and the Bomb Paradox
  • · Replies 7 ·
Replies
7
Views
3K
Graduate What is the Speed of Light, Dark Matter?
  • · Replies 2 ·
Replies
2
Views
12K
Graduate Energy Reference Frames: Consensus on Object Energy Across Different Observers?
  • · Replies 40 ·
2
Replies
40
Views
7K
Graduate Angular Contraction: Wheel Rotation & Ruler
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad What Starter Texts Can Help Understand Differential Geometry for GTR?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Exploring the Effects of Space Time Expansion on Unbound Bodies
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad How fast is a relativistic velocity?
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Speed of light and length contraction
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Definition of a clock in relativity theory
  • · Replies 3 ·
Replies
3
Views
3K
Graduate I'm holding a pole and running at a relativistic velocity
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Light Around Black Holes: Can It Orbit?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Anyone here look at Einsteins calculations?
  • · Replies 13 ·
Replies
13
Views
4K
Graduate Einstein, Ziegler and Planck: 1909
  • · Replies 26 ·
Replies
26
Views
4K
Graduate NASA's Gravity Probe B: Testing Einstein's Theory of Relativity
  • · Replies 5 ·
Replies
5
Views
3K
Will Hawking or Penrose ever win Nobel Prize?
  • · Replies 3 ·
Replies
3
Views
7K
Undergrad Relativistic Doppler effect (for sound?)
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad Calculating Time Dilation: A Lorentz Transformation
  • · Replies 17 ·
Replies
17
Views
3K
Undergrad What Is the Difference Between Dark Matter and Dark Energy?
  • · Replies 11 ·
Replies
11
Views
4K
Graduate Gravity, Gravitons, and Geodesics.
  • · Replies 20 ·
Replies
20
Views
4K
Request for Opinion on DW's Excellent Website - Geocities.com/zcphysicsms
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Why do the Einstein Field Equations have multiple solutions?
  • · Replies 9 ·
Replies
9
Views
4K
Graduate What Happens to Light Speed When Measured from a Fast-Moving Space Station?
  • · Replies 119 ·
4
Replies
119
Views
17K
Graduate Weyl Curvature, Mach's Principle, and Heisenberg Uncertainty?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Length contraction and field theory
  • · Replies 8 ·
Replies
8
Views
2K
Graduate Dought regarding equivalence principle
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Question about special relativity
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad Einstein's Constant: The Speed of Light Irrespective of Source
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Metrics in Special Relativity & General Relativity
  • · Replies 3 ·
Replies
3
Views
3K
Graduate What are the implications of gravity and other dimensions in our universe?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Solution to GR Field Equations
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Time Distortion Debate: Tom & Jerry's Tennis Ball Experiment
  • · Replies 24 ·
Replies
24
Views
7K
Graduate What Happens to Gravity Fields When They Change?
  • · Replies 9 ·
Replies
9
Views
2K
Graduate Uniformity of dark energy distribution
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Can Relativity Prove Existence?
  • · Replies 14 ·
Replies
14
Views
3K
Undergrad Time Dilation: Is Distance a Factor?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Is Time Travel Possible When Objects Cannot Coexist in Different Time Periods?
  • · Replies 6 ·
Replies
6
Views
2K
Graduate What is the true relationship between speed and mass?
  • · Replies 49 ·
2
Replies
49
Views
37K
Graduate Dayton Miller's Ether-Drift: Fact or Fiction?
  • · Replies 10 ·
Replies
10
Views
8K
Does Time have a beggining? an End?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Nothing can travel faster than the speed of light
  • · Replies 12 ·
Replies
12
Views
4K
Graduate Mass, Inertia, Charges & Space-Time: Positioning in Order
  • · Replies 4 ·
Replies
4
Views
2K
Graduate If you back in time and shooting yourself, do you die?
  • · Replies 4 ·
Replies
4
Views
4K
Graduate How Does Time Geometry Affect the Concept of Event Simultaneity in Relativity?
  • · Replies 7 ·
Replies
7
Views
4K
Graduate Time travel and Multiverse Theory
  • · Replies 42 ·
2
Replies
42
Views
24K
Graduate Time Travel: Paradox, Parallel or Repetitive?
  • · Replies 5 ·
Replies
5
Views
6K
Graduate Why Haven't Two Clocks on a Table Been Used to Measure Light's One-Way Speed?
  • · Replies 268 ·
9
Replies
268
Views
28K
Graduate Speed of Light Broken? | Special Relativity
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad How Does Gravity Shape Space-Time Beyond Simple Indentations?
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Why is then Time Travel possible?
  • · Replies 31 ·
2
Replies
31
Views
6K
Undergrad Could 2D Time Revolutionize Tic-Tac-Toe Gameplay?
  • · Replies 2 ·
Replies
2
Views
2K
Is Time Travel Just a Concept?
  • · Replies 71 ·
3
Replies
71
Views
10K
Graduate What is the primary concept between absoluteness and relativity?
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Does Time Dilation Make Me See More?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Metric Tensor & 4-Vector: Unit of Measurement
  • · Replies 18 ·
Replies
18
Views
5K
Undergrad Gravity: Attraction of Two Particles vs. Two Objects
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Has ayone seen the lost simultaneity?
  • · Replies 114 ·
4
Replies
114
Views
11K
Graduate Visualizing Space: A Thought Experiment with a Rotating Rod and Flashlight
  • · Replies 11 ·
Replies
11
Views
3K
Graduate Movement through space or movement through time?
  • · Replies 2 ·
Replies
2
Views
15K
Graduate Does mass decrease with expansion
  • · Replies 4 ·
Replies
4
Views
6K
Graduate Questions of the equivalence principle
  • · Replies 8 ·
Replies
8
Views
3K
Graduate What Did Einstein Mean by "Everything Travels at the Speed of Light"?
  • · Replies 10 ·
Replies
10
Views
3K
Graduate Equivalence and derivation of general relativity
  • · Replies 2 ·
Replies
2
Views
3K
High School Why Can't Anything Travel Faster Than Light?
  • · Replies 19 ·
Replies
19
Views
4K
Undergrad Clarifying Confusion: Understanding Einstein's Theory of Relativity
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Today Special Relativity dies
  • · Replies 529 ·
18
Replies
529
Views
39K
Graduate Is the temperature of a black hole infinite as its mass approaches zero?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Solving the Riddle of Sorts: Who Signed the Peace Agreement First?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Red shift frequency from a black hole
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Today Special Relativity is still alive
  • · Replies 22 ·
Replies
22
Views
4K
Graduate Michelson - Morley Experiment Revisited
  • · Replies 81 ·
3
Replies
81
Views
22K
If we are light, what would we see?
  • · Replies 10 ·
Replies
10
Views
2K
Graduate How do gravitons behave in relation to general relativity?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Does the gravitational force actually exist?
  • · Replies 10 ·
Replies
10
Views
5K
Graduate Unification of Quantum Theory and General Relativity
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Resolve the Bug-Rivet Paradox - Strange SR Paradox
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Curvature and General Relativity
  • · Replies 11 ·
Replies
11
Views
3K
Graduate Relativity Paradox: Clock Readings at B & B*
  • · Replies 16 ·
Replies
16
Views
4K
Graduate Why Does Time Behave So Uniquely in the Sun's Core?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad What Happens to Gravitational Force at the Center of the Earth?
  • · Replies 9 ·
Replies
9
Views
23K
Graduate Official speculation as to constant c
  • · Replies 10 ·
Replies
10
Views
3K
Graduate Experimental support for SR & GR
  • · Replies 28 ·
Replies
28
Views
6K
Graduate Can string/brane theory generate spacetime warps with gravitons?
  • · Replies 12 ·
Replies
12
Views
3K
Graduate Curvature of reciprocal Euclidean space
  • · Replies 2 ·
Replies
2
Views
3K