Special and General Relativity Forum

Graduate What is a bifurcation surface and a binormal vector?

Graduate Could Relativity Still Apply in a Universe Filled with Water?

Graduate Relativity : the Special and General Theory

Graduate Calculating Observer C's Speed from Point A as Observed by Observer B

High School What Are Matter, Energy, and Space in Our Physical Universe?

Graduate How does black hole entropy relate to horizon area for moving observers?

Graduate Spear and room both 7 meters at 0.9c: which observer is correct?

Graduate Neutroscopic methods in General Relativity

Graduate Can Wormholes Enable Time Travel to the Past?

Graduate What does an infalling observer see inside a Schwarzschild black hole?

Graduate I've got a black hole in my understanding

Graduate Simultaneity Confusion in Relativity

Graduate Does spacetime curvature require a fifth dimension?

Graduate Back Reaction in Black Hole Physics and GR

Graduate Is gravity really caused by a dimple in spacetime?

Graduate Are Experiments Proving Length Contraction?

Graduate Maximum angular velocity of a rotating cog in special relativity

Undergrad Does a Black Hole's Event Horizon Increase with Mass?

Graduate A feasible experiment that can decide

Graduate Are all frames of a ballistic trajectory inertial in general relativity?

Graduate Does the Constant Speed of Light Postulate Extend to Mechanical Processes?

Graduate What can an observer see during his travel into BH?

Graduate Is it Possible For A Particle To Stay Completely Still in Space-Time?

Graduate How accurately have time dilation and space contraction been verified?

Graduate Is arithmetic still true in a gravitational field

Undergrad Why Does Mass Increase with Speed?

Graduate Can moral facts exist if morality is relative to circumstances?

Graduate What Does the Right End of an Oscillating Pen Look Like in Relativistic Motion?

Graduate Possible method to escape a black hole?

Graduate Length Contraction: Can Fundamental Particles Contract?

Graduate Why does matter curve spacetime in general relativity?

Graduate Do locally inertial coordinates apply to spacetime points or to particles?

Graduate If power were applied to a one meter cube of quartz crystal

High School From Lights Point of Reference Is It Traveling Infinetly Fast?

Undergrad Speed of light in different frames

Graduate What is wrong with my thinking?

Undergrad Twin paradox? HA I'm an only child.

Graduate Rigid ball rotating with surface velocity at 0.9999c

Graduate Photons at less than speed of light?

Graduate What Are the Merits and Drawbacks of Kaluza-Klein Theory?

Graduate What are your thoughts on the Pirelli relativity award?

Graduate Flow of Time - What Effect Does Speed Have on Electron Orbits?

Graduate Preservation of Matter/Energy Through Time

Graduate What is the ontology of general relativity ?

High School Did Einstein like the term Relativity ?

Graduate Is Spacetime a Fluid Like Ether in Black Hole Analogies?

Undergrad Basic concept in special relativity

Undergrad Why don't I feel forces when the train next to me accelerates?

Graduate Think about SR as different observers using different coordinate

Graduate Lorentz contraction inverse trouble

Graduate Does perspective affect light clocks in relativity?

Graduate Einstein's space elevator and the twins paradox

Graduate Does gravitational time dilation affect a black hole's apparent growth rate?

Graduate GR, time-like energy, and photon-path bending?

Graduate How Can Light Travel at Speed c Despite Having Energy?

Graduate Functional independence and energy

Graduate How do charged particles preserve fixed e/m ratios when accelerated?

Graduate Are Relativity and Thermodynamics Compatible?

Graduate Is the standard view of gravity in general relativity accurate?

Graduate E=mc^2 in gravitational fields

Undergrad Why did the Michelson-Morley experiment show a small fringe shift?

Graduate Can an electron escape a charged black hole after crossing its event horizon?

Graduate Why doesn't the traveling twin age more from the spaceship's perspective?

Undergrad Photon Behavior: Wave or Particle?

Graduate Active Gravitational Mass in GR

Graduate Why don't gravitational time dilation and length contraction cancel out?

Graduate GR Time Dilation: Does It Occur in Inertial Frames?

Graduate How Does Time Dilation Affect Clocks on Moving Objects?

Graduate How Does Kaluza-Klein Theory Link Electromagnetism and General Relativity in 5D?

Undergrad Can massless entities travel faster than light in K-PAX?

Undergrad Does Earth's Rotation Affect Time Dilation Between Day and Night?

Graduate What are tensors and how do they relate to General Relativity?

Graduate Gravitational force between two masses in a moving frame using the stress-energy tensor

Graduate Objections to Relativistic mass

Graduate The Effects of Relativistic Mass on High Speed Collisions

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Graduate Does the Trajectory Formula Account for the Speed of Light Delay?

Graduate Experimenting with Light - Answers to Your Questions

Graduate Can space-time be warped without matter in general relativity?

Graduate Question on Addition of Velocities

Graduate Why is Relativity still a theory?

Graduate How do we know Gravity Moves the Speed of Light?

Graduate Could Faster-Than-Light Travel Create Time Dilation Effects?

Graduate Can a black hole form using only photons - in theory?

Graduate Relativistic physics of space?

Graduate Energy Acceleration: Electron Mass at C?

Undergrad Why do we judge time by light?

Graduate How far back in time can we see?

Graduate How Does the Speed of Light Affect Observed Particle Trajectories?

Graduate What Are the Best Textbooks for Understanding Special Relativity?

Graduate Why is gravity unstable in 4D and can it be modified?

Graduate Does Length Contraction Affect the Wavelength of Light from a Moving Source?

Graduate Does light from a flashlight travel at 2c relative to a moving observer?

Graduate Can a light beam reach Earth from a ship traveling at c?

Graduate Relativity Paradox: Resolving Hand-Waving Questions

Graduate The Potential Problems with Tachyons in Our Universe

Graduate Can a Car Travel Faster Than Light?

Graduate What is the Lorentz transformation used for?