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 Solving C. Bertulani's Ch.1 Problem 6 - Proton Energy > 5.6 GeV
  • · Replies 18 ·
Replies
18
Views
4K
Graduate Need recommendation on alternative thoery/reading
  • · Replies 16 ·
Replies
16
Views
3K
High School Settle a bet on time and distance.
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Proving Non-Absorbable Constant with Δξgμν
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Does Relativistic Mass Influence Gravity and Energy in High-Velocity Objects?
  • · Replies 32 ·
2
Replies
32
Views
9K
Graduate Frame Dragging & Galactic Rotation: Implications for AGN & Black Holes
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Weak-Field Limit of Gravitational Radiation and the Equivalence Principle?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Two Unrelated Questions about GR: Light Cones and VS Dust
  • · Replies 17 ·
Replies
17
Views
3K
Graduate THE RETURN of two opposite travelling photons
  • · Replies 39 ·
2
Replies
39
Views
12K
Graduate Questions relating to time dilation
  • · Replies 99 ·
4
Replies
99
Views
11K
Finding Quality Video Lectures: Feynman and Beyond
  • · Replies 35 ·
2
Replies
35
Views
8K
Graduate Status of the block universe in the field of physics
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Does time dilation only affect matter that has mass?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Is the Speed of Light Truly Constant?
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Can one diagonalize the Kerr metric?
  • · Replies 5 ·
Replies
5
Views
5K
Graduate Covariant derivative - is this a typo ?
  • · Replies 8 ·
Replies
8
Views
2K
Graduate Understanding Results from a Relativistic Star Ship Calculator
  • · Replies 2 ·
Replies
2
Views
2K
High School Space-time Concept by Einstein
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad Pushing solid objects and longitudinal waves
  • · Replies 13 ·
Replies
13
Views
4K
Graduate Natural Unit Confusion: M=1/L or M=T/L^2?
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Galilean relativity vs special relativity
  • · Replies 39 ·
2
Replies
39
Views
14K
Graduate About Relativistic Mass-Energy Equivalence
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Exact Solutions for General Relativity
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Basic questions about General Relativity
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Is There a Minimum Energy Reference Frame?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Kerr-Newman Metric Equation Solution | Verified by Experts
  • · Replies 2 ·
Replies
2
Views
3K
Graduate What Is Time Dilation and How Does It Affect Travel at the Speed of Light?
  • · Replies 11 ·
Replies
11
Views
3K
Graduate Relativistic Momentum Not Conserved after a Collision?
  • · Replies 12 ·
Replies
12
Views
4K
Graduate Is Gravity a force or the absence of a force
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Calculation of Proper Acceleration
  • · Replies 31 ·
2
Replies
31
Views
4K
Graduate Question about the a relativistic rocket
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Why is the speed of light equal to c?
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Blackhole and Anti-Blackhole Annihilation
  • · Replies 8 ·
Replies
8
Views
5K
Undergrad Are Special Relativity variables transformable
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Regarding arguments in favor of Principle of Relativity
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Equation for Mass Moving Near Speed of Light: What Is It?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Explanation for Robertson-Walker being Conformally Flat
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Einstein's Relativity: Examining Simultaneity Theory
  • · Replies 47 ·
2
Replies
47
Views
6K
Graduate Meaning and derivation of 4-vector
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad How haven't we managed to blow up Earth by using particle accelerators?
  • · Replies 15 ·
Replies
15
Views
3K
Graduate Can someone explain the 4-force to me.
  • · Replies 5 ·
Replies
5
Views
2K
Graduate How to understand Parallel Transport
  • · Replies 9 ·
Replies
9
Views
7K
Graduate How Did Einstein Manage To Even Come Up With The Theory Of Special Relativity?
  • · Replies 18 ·
Replies
18
Views
6K
Graduate Preferred and Unique Coordinate System
  • · Replies 5 ·
Replies
5
Views
2K
Graduate A couple of miscellaneous questions about special relativity
  • · Replies 10 ·
Replies
10
Views
2K
Graduate Matter outside of the territory under consideration. Where are we?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Which Train Explodes First in the Time Dilation Paradox?
  • · Replies 99 ·
4
Replies
99
Views
14K
Graduate Covariant and contravariant vector
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Covariance of Maxwell Eqn. - conceptual question
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Lorentz transformations: how can I derive the time equation?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Speed of water and relation to light
  • · Replies 50 ·
2
Replies
50
Views
8K
Graduate Lorentz group and the restricted Lorentz group
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Are massless objects immune to time dilation?
  • · Replies 20 ·
Replies
20
Views
5K
Graduate Is the Graviton the Key to Understanding Gravity?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Singularities and Rindler horizon
  • · Replies 16 ·
Replies
16
Views
5K
Graduate Ehrenfest Paradox + Twin Paradox
  • · Replies 16 ·
Replies
16
Views
7K
Graduate 4x4 lorentz matrix and finding its inverse
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Rindler space in semi-general relativity
  • · Replies 1 ·
Replies
1
Views
2K
What Are the Best Books to Understand the Mach Principle in General Relativity?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Lorentz transformations in non-inertial frames
  • · Replies 26 ·
Replies
26
Views
6K
Graduate Spacetime diagrams: ct axis and time contraction and length dilation
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Can a 4-Potential Approximate Gravitational Field in Weak-Field Limit?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Robertson-Walker Models Conformally Flat
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Simple GR Einstein Notation Question
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Time Dilation at Rest: Theoretical Perspectives
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Time Dilation and it's formula
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Unraveling The Minkowski Metric: Intuitive Explanation
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Current Updates on LIGO and Gravitational Waves
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Pole through Earth, faster than c?
  • · Replies 12 ·
Replies
12
Views
3K
Graduate Is There a Simple Explanation for the Area Element in Fermi Normal Coordinates?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Massive objects and relativistic effects
  • · Replies 1 ·
Replies
1
Views
2K
Graduate What are the four clock readings?
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Attempt on Twin Paradox via Minkowski diagrams
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Speed of Gravity: Is the Sun 8 Minutes Behind?
  • · Replies 28 ·
Replies
28
Views
7K
Graduate Gravitational time dilatation
  • · Replies 16 ·
Replies
16
Views
3K
Graduate What causes geodesic incompleteness in spacetime manifolds?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Embedding hyperbolic constant-time hypersurface in Euclidean space.
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad What happen time dilation is videotaped?
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Relativistic Resistance against Acceleration?
  • · Replies 11 ·
Replies
11
Views
3K
Graduate Will Relativity Determine the Outcome of a Spaceship Explosion?
  • · Replies 13 ·
Replies
13
Views
4K
Undergrad Misunderstanding something: circular time dilation loop
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Center of mass velocity greater than 1c?
  • · Replies 15 ·
Replies
15
Views
3K
Graduate Robertson Diagram & Ω-ΩM Plane: Resources & Explanations
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Does temperature affect black holes
  • · Replies 15 ·
Replies
15
Views
3K
Graduate Is there any relation which holds between energy and metric space ?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Does Time Exist? My Reasoning Explored
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Time Dilation Comparison: Mass vs Speed
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Whats in the space between any 2 galaxies?
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Lorentz contraction and gravitational field
  • · Replies 20 ·
Replies
20
Views
4K
Graduate Can somebody explain the Warp Theory Equation?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Does Electromagnetic radiation travel faster than the speed of light?
  • · Replies 6 ·
Replies
6
Views
5K
Graduate Hidden Momentum: Loop Precession Torque
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Graphical example of BH formation by PAllen
  • · Replies 162 ·
6
Replies
162
Views
20K
Graduate Paradox of non inertial forces in relativity
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Energy/Mass transitioning from finite to infinite amounts
  • · Replies 15 ·
Replies
15
Views
3K
Graduate Time Dilation and physical processes
  • · Replies 20 ·
Replies
20
Views
4K
Graduate Need help understanding frames of reference in GR
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Lorentz transformation and Pythagoras' theorem
  • · Replies 5 ·
Replies
5
Views
6K
Graduate FTL warp experiments: Media hype or significant?
  • · Replies 6 ·
Replies
6
Views
5K
Can We Go Back to the Past? The Possibility of Reversing Time Explored
  • · Replies 8 ·
Replies
8
Views
8K