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 Simple Lorentz transformation. Are there objections
- bernhard.rothenstein
- · Replies 17 ·
Graduate Understanding Schutz's "Invariance of the Interval"
- Ray
- · Replies 22 ·
Undergrad What Is the Linear Form of the Lorentz Transformation Equation?
- darkness_limits
- · Replies 1 ·
Undergrad Understanding Speed: The Science Behind Movement and Its Limitations
- Skhandelwal
- · Replies 9 ·
Graduate Magnetic field, frames of reference
- alvaros
- · Replies 20 ·
Graduate Dark Energy as a Gravitational Field?
- cefarix
- · Replies 5 ·
Graduate Relativity and space travel - what's the problem?
- billy_boy_999
- · Replies 53 ·
Graduate Is time an illusion, or is it a fundamental aspect of our universe?
- jostpuur
- · Replies 3 ·
Graduate Can a Ferris Wheel Spin Faster Than Light?
- lukegregor
- · Replies 11 ·
Graduate Understanding Relativity: Explaining the Speed of Photons in a Head-On Collision
- zolderick
- · Replies 14 ·
Graduate How Can Gravity Create a Dent in Space-Time Without Preexisting Gravity?
- White Lotus
- · Replies 5 ·
Undergrad Noobish question on time dilation
- Übermensch
- · Replies 9 ·
Graduate On the way to showing that LT is linear
- neutrino
- · Replies 6 ·
Undergrad When sun is gone, gravity of light, which one faster?
- ArielGenesis
- · Replies 21 ·
Undergrad Do Photons Experience Gravitational Red Shift?
- JPC
- · Replies 12 ·
Undergrad Universe Expansion: Is There a Cycle?
- JPC
- · Replies 6 ·
Graduate Time gap between explosions in moving frame of reference
- Vijay Bhatnagar
- · Replies 9 ·
Graduate General relativity vs quantum field theory
- Urkel
- · Replies 2 ·
Graduate Does the sum of the mass of two bodies vary with the distance between them ?
- C_Ovidiu
- · Replies 2 ·
Graduate Max Frequency at the Speed of Light: Clarifying a Puzzling Concept
- TheAnalogKid
- · Replies 4 ·
Graduate Speed of Theoretical Wave: Constant Regardless of Frame?
- ArielGenesis
- · Replies 3 ·
Graduate Gravity ficticuous force because it's relative to mass?
- rcgldr
- · Replies 5 ·
Graduate Help: Lorentz transformations with and without thought experiments
- bernhard.rothenstein
- · Replies 2 ·
Graduate Photon Acceleration: From 0 to c in Zero Seconds?
- PhanthomJay
- · Replies 8 ·
Undergrad Is a 2004 Discovery About Physics Still Relevant Today?
- LostInSpaceTime
- · Replies 2 ·
Graduate Time Dilation and Biological Aging
- microtech
- · Replies 6 ·
Graduate Superconductors and Gravitomagnetism
- adm2e
- · Replies 9 ·
Graduate Speed of Light always remains constant ? think again.
- Anomalous
- · Replies 41 ·
Graduate Space-Time Curvature: Sun & Earth Pulled Together with Equal Force
- newTonn
- · Replies 2 ·
Graduate Lorentz Transformation Explained: What Is It?
- captain
- · Replies 7 ·
Graduate Help Historical evolution of understanding of SR
- JustinLevy
- · Replies 38 ·
Undergrad Explaining Pythagoras' Theorem & Its Impact on Acceleration
- D.A.Peel
- · Replies 1 ·
Undergrad Is Time Dilation Making You Younger or Older in Special Relativity?
- C_Ovidiu
- · Replies 8 ·
Graduate Verification of the Lorentz contraction of the space
- cheffo
- · Replies 7 ·
Graduate Can Uniform Relative Motion Turn a Wormhole into a Time Tunnel?
- plasmon
- · Replies 13 ·
Graduate Which rule determines the direction of gravitomagnetism?
- adm2e
- · Replies 1 ·
Graduate Can Energy Exist Without Mass?
- diffusion
- · Replies 11 ·
Graduate Time-Like Curves, Light Cones & Void Explained in Detail
- Lakshya
- · Replies 6 ·
Graduate Solving the Mystery of Relativistic Length
- Aeneas
- · Replies 2 ·
Graduate How Are Gravitational Waves Produced?
- adm2e
- · Replies 2 ·
Graduate Direct and inverse Lorentz transformation
- bernhard.rothenstein
- · Replies 14 ·
Graduate 3d simulation of special relativity
- Petroz
- · Replies 9 ·
Graduate Scientists claims light speed barrier broken
- E=mc²
- · Replies 19 ·
Graduate Stress Energy Tensor vs Energy Momentum Tensor
- captain
- · Replies 1 ·
Graduate Explore Questions about Time: Time and Time Again
- LostInSpaceTime
- · Replies 11 ·
Undergrad Just from personal study, is this possible?
- meaningoflight
- · Replies 2 ·
Graduate Confused about gravitaional time dilation math
- hover
- · Replies 10 ·
Graduate Can Light Create a Time Machine?
- Ivan Seeking
- · Replies 41 ·
Graduate What is Rindler's Lemma on Equal and Opposite Velocities?
- neutrino
- · Replies 9 ·
Graduate Yet another spaceship thought experiment
- dkyle
- · Replies 3 ·
Graduate Coordinate speed of light vs. gravitational time dilation?
- kmarinas86
- · Replies 14 ·
Graduate Curved space-time observed and confirmed
- uiulic
- · Replies 9 ·
Graduate Surely k-calculus kT is 'mixing units'
- pigeonrandle
- · Replies 8 ·
Graduate Do Tachyons Really Exist in Physics?
- nishu1988
- · Replies 12 ·
Graduate Time dilation on accelerated reference frames
- hover
- · Replies 5 ·
Graduate Speed of Light and Black holes
- quantum123
- · Replies 2 ·
Graduate How Does Time Dilation Affect Perception of Speed in Relativistic Space Travel?
- Luke987
- · Replies 3 ·
High School Is Light Really Bound by Gravity?
- orgthingy
- · Replies 19 ·
Graduate Is light actually faster than light?
- Idjot
- · Replies 3 ·
Graduate Transforming to Accelerated Frames in Special Relativity
- pellman
- · Replies 13 ·
Graduate GR explanation of Newtonian Phenomena
- blumfeld0
- · Replies 19 ·
Graduate SR predictions on an recent microwave experiement
- lalbatros
- · Replies 1 ·
Graduate Derivation Of Lorentz Transformation by Lawden
- Hacky
- · Replies 8 ·
Undergrad Time vs Space: Physical Quantities Compared
- bernhard.rothenstein
- · Replies 10 ·
Graduate Can Future Generations Really Travel Back in Time?
- quantum123
- · Replies 8 ·
Graduate Einstein Field Equation purely in partial derivatives wrt x,y,z,t?
- quantum123
- · Replies 13 ·
Graduate Moment of inertia corrected with relativity
- pangsiukwong
- · Replies 1 ·
Graduate Is time perception solely influenced by time dilation?
- petm1
- · Replies 1 ·
Graduate What does a spacetime interval of zero mean for objects traveling at c?
- Point Conception
- · Replies 15 ·
Graduate Curvature of Time: How Do We Experience It?
- sanman
- · Replies 41 ·
Where Can I Find the Penrose Lecture Link Mentioned in the Forum?
- Sparky_
- · Replies 2 ·
Graduate Pertinence of relativity of simultaneity
- ice109
- · Replies 15 ·
Graduate Artificial Black Holes, again
- Jake
- · Replies 112 ·
Graduate Researchers create gravity in lab experiment
- SF
- · Replies 1 ·
Graduate Can matter reach light speed with infinite energy and spacetime engineering?
- creationsby
- · Replies 4 ·
Undergrad Is a uniform gravitational field a gravitational field?
- MeJennifer
- · Replies 126 ·
Undergrad Constant Velocity: Does Time Dilation Occur?
- CINA
- · Replies 6 ·
Graduate Lorentz's Derivation: A Historical Exploration
- yogi
- · Replies 3 ·
Graduate Addition of velocities: What actually happens?
- Holocene
- · Replies 7 ·
High School Can we travel faster than the speed of light?
- Luke*
- · Replies 32 ·
Graduate Speed of Light & Accelerating Frames
- anantchowdhary
- · Replies 24 ·
Graduate Is energy conserved in an expanding universe?
- Robert100
- · Replies 32 ·
Graduate Standard Derivation: What Makes it Standard?
- bernhard.rothenstein
- · Replies 16 ·
Undergrad Speed of light relative to universe expansion?
- tommyburgey
- · Replies 31 ·
Undergrad Time Dilation: Relativity's Surprising Effect
- Holocene
- · Replies 2 ·
Graduate Photon beyond light speed?(?tachyon?)
- madphysics
- · Replies 6 ·
Graduate Light under light gravitational force
- perfectobsession2004
- · Replies 7 ·
Graduate Is expansion of space relative?
- kmarinas86
- · Replies 2 ·
Graduate Lorentz Transformations in xy & xyz Directions | Pat
- patapat
- · Replies 6 ·
Graduate Time Dilation: Clarifying the Concept for Pat
- patapat
- · Replies 1 ·
Graduate Are Spacelike Movements Physically Possible in Our Universe?
- ice109
- · Replies 1 ·
Graduate Can Gravity Be Understood as a Gauge Theory Through Rovelli's LQG Approach?
- Klaus_Hoffmann
- · Replies 1 ·
Graduate Wormholes: Are they practical?
- Friendlyel
- · Replies 6 ·
Graduate Gravitational Radiation Calculation from Rotating Rods
- Stas
- · Replies 1 ·
Graduate Does motion break existing symmetries?
- oldman
- · Replies 13 ·
Graduate Reducing the time invested in teaching SR
- bernhard.rothenstein
- · Replies 6 ·
Undergrad Throwing a string into a blackhole
- ice109
- · Replies 6 ·
Graduate Deriving Lorentz Transformation: Is it Time-Saving & Physically Correct?
- bernhard.rothenstein
- · Replies 21 ·
High School Does Time Move Relative to Space?
- drme1981
- · Replies 3 ·