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.
General Relativity + Electrodynamics
  • · Replies 5 ·
Replies
5
Views
3K
Relativistic Interpretation of the Kennedy Thorndike Experiment?
  • · Replies 20 ·
Replies
20
Views
4K
What is the principle of equivalence in physics?
  • · Replies 5 ·
Replies
5
Views
2K
What Contracts During Length Contraction in Special Relativity?
  • · Replies 15 ·
Replies
15
Views
3K
Can the Resistance to Acceleration Reveal Your Speed Relative to Light?
  • · Replies 11 ·
Replies
11
Views
2K
Why do observers in special relativity see different measurements?
  • · Replies 2 ·
Replies
2
Views
4K
Black holes & expanding universe
  • · Replies 4 ·
Replies
4
Views
4K
There is no gravitational dipole
  • · Replies 41 ·
2
Replies
41
Views
13K
Does Time Stop in a Black Hole?
  • · Replies 12 ·
Replies
12
Views
12K
Relative Velocity: General Relativity Views & Choices
  • · Replies 19 ·
Replies
19
Views
4K
Does Relativistic Kinetic Energy Account for Mass Increase at High Speeds?
  • · Replies 19 ·
Replies
19
Views
6K
How Does Time Dilation Challenge Our Understanding of Time in Relativity?
  • · Replies 15 ·
Replies
15
Views
3K
Magnetism and radiation as a consequence of SR
  • · Replies 1 ·
Replies
1
Views
2K
The Pseudo-Tensor H for Torsionless Space-Time?
  • · Replies 20 ·
Replies
20
Views
3K
Time dilation experiments with spacecraft
  • · Replies 5 ·
Replies
5
Views
3K
Is Tensor Algebra Necessary to Understand General Relativity?
  • · Replies 1 ·
Replies
1
Views
2K
Difference between mass (relativistic & non)
  • · Replies 23 ·
Replies
23
Views
6K
The Future Predestined? Near Lightspeed Travel & Quantum Teleportation
  • · Replies 10 ·
Replies
10
Views
6K
Discover the World of SR and GR Theory: Free Resources and Expert Tips
  • · Replies 1 ·
Replies
1
Views
8K
Galileo's Relativity: Theory of Clocks Synced by Signal?
  • · Replies 1 ·
Replies
1
Views
3K
Question about speed of light and black holes
  • · Replies 1 ·
Replies
1
Views
2K
How Can Numerical Solutions to General Relativity Enhance Computational Physics?
  • · Replies 2 ·
Replies
2
Views
2K
How Does the Twin Paradox Illustrate Time Dilation in Relativity?
  • · Replies 3 ·
Replies
3
Views
3K
Gravitons & spacetime-curvature-geometry
  • · Replies 4 ·
Replies
4
Views
4K
Equations of Motion with Covariant Derivatives and Momentum Density
  • · Replies 2 ·
Replies
2
Views
2K
Is Spacetime Curved by Gravity?
  • · Replies 18 ·
Replies
18
Views
17K
How Does Relativity Explain Magnetic Fields from Moving Charges?
  • · Replies 9 ·
Replies
9
Views
5K
C - Speed of Light: Is Time Relative?
  • · Replies 7 ·
Replies
7
Views
2K
Can space-time rotations create time machines in General Relativity?
  • · Replies 2 ·
Replies
2
Views
3K
Obtaining the Hamiltonian for Einstein's Lagrangian: A Wheeler-De Witt Approach
  • · Replies 1 ·
Replies
1
Views
2K
What are the limits of acceleration in special and general relativity?
  • · Replies 9 ·
Replies
9
Views
2K
Silly classical + relativity question.
  • · Replies 1 ·
Replies
1
Views
2K
Locality and non-locality in period measurement
  • · Replies 2 ·
Replies
2
Views
5K
How does the direction of rotation impact time dilation on a rotating object?
  • · Replies 5 ·
Replies
5
Views
5K
Is Relativity Valid Inside Matter?
  • · Replies 13 ·
Replies
13
Views
2K
Rotating Disc & Speed of Light ?
  • · Replies 3 ·
Replies
3
Views
3K
How Does Gravity Warp Spacetime for a Planet's Path?
  • · Replies 19 ·
Replies
19
Views
4K
What is the relationship between the Doppler effect and proper time?
  • · Replies 8 ·
Replies
8
Views
4K
Where will the lead and plastic balls settle in microgravity?
  • · Replies 2 ·
Replies
2
Views
3K
What if inertial mass did NOT = grav. mass?
  • · Replies 92 ·
4
Replies
92
Views
9K
Weyl tensor on 3-dimensional manifold
  • · Replies 6 ·
Replies
6
Views
14K
Interpreting Time, Mass & Length in Special Relativity
  • · Replies 38 ·
2
Replies
38
Views
7K
Relativistic and not relativistic motions
  • · Replies 2 ·
Replies
2
Views
3K
Question about speed of light and water
  • · Replies 3 ·
Replies
3
Views
9K
Experimenting with the speed of gravity
  • · Replies 10 ·
Replies
10
Views
3K
Speed of light in an inertial frame
  • · Replies 9 ·
Replies
9
Views
3K
Speed of light in a black hole
  • · Replies 1 ·
Replies
1
Views
5K
Is the Earth Flat? An Analysis of Spacetime Curvature
  • · Replies 3 ·
Replies
3
Views
7K
Learning General Relativity: A Beginner's Guide
  • · Replies 12 ·
Replies
12
Views
4K
What is the significance of the weak field approximation in general relativity?
  • · Replies 3 ·
Replies
3
Views
5K
How Does Time Dilation Affect Light Speed from a Moving Spaceship?
  • · Replies 3 ·
Replies
3
Views
2K
Gravitational Time Dilation.Or not?
  • · Replies 15 ·
Replies
15
Views
5K
Constant speed of light in vaccum?
  • · Replies 4 ·
Replies
4
Views
3K
A frame dragging experiment in an accelerated reference frame
  • · Replies 5 ·
Replies
5
Views
6K
Time in SR and relativistic mass
  • · Replies 7 ·
Replies
7
Views
3K
Did the Frame-Dragging Experiment Validate the Theory of Relativity?
  • · Replies 7 ·
Replies
7
Views
3K
Minkowski's 4 dimensional world
  • · Replies 30 ·
2
Replies
30
Views
6K
Spinning Objects in GR: Can a Geodesic be Traveled?
  • · Replies 6 ·
Replies
6
Views
3K
Dilated Time: What were they smoking?
  • · Replies 18 ·
Replies
18
Views
4K
Gravity Mystery: Ask "GR Crowd" for Deeper Understanding
  • · Replies 12 ·
Replies
12
Views
3K
What's wrong with this thinking?
  • · Replies 8 ·
Replies
8
Views
3K
Is Light a Wave or a Particle in Spacetime?
  • · Replies 18 ·
Replies
18
Views
15K
Experimental Proofs of Special Relativity: Myons, Bertozzi & More
  • · Replies 3 ·
Replies
3
Views
2K
Subtle Distinction: Speed of Light for All Observers
  • · Replies 10 ·
Replies
10
Views
4K
Massive objects traveling near the speed of light
  • · Replies 2 ·
Replies
2
Views
6K
Do Wormholes Really Exist? Evidence and Explanation
  • · Replies 28 ·
Replies
28
Views
5K
Difficulties with interstellar travel
  • · Replies 3 ·
Replies
3
Views
3K
Does Using a Sound Clock Affect Lorentz Transformations in Relativity?
  • · Replies 8 ·
Replies
8
Views
3K
Can a frame of reference be wrong in determining motion in space-time?
  • · Replies 99 ·
4
Replies
99
Views
8K
Two black holes falling head-on
  • · Replies 5 ·
Replies
5
Views
3K
Clock Synchronization: Einstein's Procedure & Others
  • · Replies 2 ·
Replies
2
Views
3K
Guessing the experiment performed in I' by observers from I
  • · Replies 2 ·
Replies
2
Views
2K
Of sailing and relativity and titillating patterns
  • · Replies 2 ·
Replies
2
Views
2K
Evaluating the Elapsed Time Difference Between Clocks in a Gravitational Field
  • · Replies 1 ·
Replies
1
Views
2K
Painleve-Gullstrand coordinates
  • · Replies 3 ·
Replies
3
Views
5K
Metric Elements and Einstein Equations in a Variable-Dependent Formulation
  • · Replies 3 ·
Replies
3
Views
2K
Understanding Violation of Causality: Explained by Reference Frames
  • · Replies 5 ·
Replies
5
Views
5K
Gravitational waves and negative energy.
  • · Replies 8 ·
Replies
8
Views
4K
Questions on Black Holes - Answers Wanted
  • · Replies 11 ·
Replies
11
Views
3K
Spacetime in Newtonian kinematics
  • · Replies 1 ·
Replies
1
Views
3K
Why does time slow down when traveling at high speeds?
  • · Replies 10 ·
Replies
10
Views
3K
Are the Spaceships' Worldlines Straight in Relativity?
  • · Replies 7 ·
Replies
7
Views
2K
Why is Time Relative? - Understand the Concept
  • · Replies 43 ·
2
Replies
43
Views
70K
Is the Mass of a Cube of Matter Determined by Its Total Energy?
  • · Replies 15 ·
Replies
15
Views
7K
Spacetime Curvature: Exploring Stephen Hawking's The Universe in a Nutshell
  • · Replies 13 ·
Replies
13
Views
4K
Can Gravitons Escape Black Holes?
  • · Replies 33 ·
2
Replies
33
Views
4K
Does Warping Spacetime Generate Mass?
  • · Replies 1 ·
Replies
1
Views
2K
Gravity & Curvature: Explaining Geometrical Orbit of Particles
  • · Replies 38 ·
2
Replies
38
Views
5K
What causes a marble slab to become a non-Euclidean continuum?
  • · Replies 12 ·
Replies
12
Views
4K
Relativity Principle: Is Privileged Frame Possible?
  • · Replies 16 ·
Replies
16
Views
3K
Absolute Motion: Can Wristwatches Prove It?
  • · Replies 14 ·
Replies
14
Views
3K
Time Dilation Explained: SR vs GR | Modern Physics by Taylor and Zalifatos
  • · Replies 38 ·
2
Replies
38
Views
5K
Mathmatics Needed: Learn Special & General Relativity
  • · Replies 7 ·
Replies
7
Views
2K
Is E=MC2 the Complete Equation for Energy-Mass Relation?
  • · Replies 34 ·
2
Replies
34
Views
6K
Can Charge Affect the Event Horizons of Black Holes?
  • · Replies 11 ·
Replies
11
Views
3K
Is Everything in the Universe Just Space-Time Geometry?
  • · Replies 12 ·
Replies
12
Views
3K
Interpreting GR: Is Spacetime Geometry Necessary?
  • · Replies 3 ·
Replies
3
Views
3K
Conserving Lorentz Invariant Momentum in Particle Collisions
  • · Replies 3 ·
Replies
3
Views
4K
Mass of a Singularity: Hawking's Explanation
  • · Replies 5 ·
Replies
5
Views
7K
Question About Special Relativity
  • · Replies 17 ·
Replies
17
Views
4K