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 Relativity fails with quantum particles?
- PeterNoodles
- · Replies 4 ·
Graduate Moving faster but taking longer
- gonegahgah
- · Replies 43 ·
High School Why is Gravity on Earth but Not in Space?
- 5thElement
- · Replies 9 ·
Undergrad What Happens to Time If the Rotation of Planets Stops?
- Peon666
- · Replies 4 ·
Graduate External clock synchronization and sbsolute motion
- bernhard.rothenstein
- · Replies 9 ·
Graduate Is gravitomagnetism only frame-dependent, not real frame-dragging?
- tiny-tim
- · Replies 8 ·
Graduate Gravitational Force: Position Formula for Object Attracted
- disregardthat
- · Replies 3 ·
Graduate Rotating a laser beam faster than light?
- sinebar
- · Replies 96 ·
Graduate What is the relationship between energy and speed in a Schwarzschild geometry?
- stephenmitten
- · Replies 5 ·
Graduate Time dilation contradiction with spacecraft at 0.5c
- Continuum
- · Replies 6 ·
Graduate Can gravity creating by energy?
- ohadohad2
- · Replies 10 ·
Graduate Is a reference frame fixed to a photon an Inertial Frame?
- Undisciplined
- · Replies 3 ·
Graduate Does Light Have Advanced Knowledge of Denser Mediums Along Its Path?
- spidey
- · Replies 7 ·
Graduate GR - Gravity versus light - acceleration of light?
- rcgldr
- · Replies 2 ·
Graduate Is light everywhere at once when traveling at the speed of light?
- curiouschris
- · Replies 19 ·
Graduate Universal Reference Point question
- Chaos' lil bro Order
- · Replies 4 ·
Graduate Contradiction in special relativity?
- curiousBos
- · Replies 52 ·
Graduate What is Linear Frame Dragging in General Relativity?
- tiny-tim
- · Replies 3 ·
Graduate Relativistic momentum and photons
- FrankJ777
- · Replies 4 ·
Graduate Is There Still Interest in Aether Theory?
- Nusc
- · Replies 8 ·
Graduate Age of universe and relativity
- jay lee
- · Replies 1 ·
Graduate Speed of light same as light speed?
- Naty1
- · Replies 18 ·
Graduate Acceleration up to lightspeed (From the inside)
- Korgeghi
- · Replies 18 ·
Graduate How does acceleration affect time dilation in Special Relativity?
- evanlee
- · Replies 23 ·
Graduate Why did Newton's physics predict light bending by gravity?
- SimonB
- · Replies 5 ·
Graduate Does everything that has to do with velocity
- epkid08
- · Replies 46 ·
Graduate Do special and general relativity treat rotational and linear motion differently?
- Naty1
- · Replies 5 ·
Graduate Understanding Space Time Fabric: How Objects with Mass Affect Its Curvature
- raptor5618
- · Replies 8 ·
Graduate After 103 years, Einstein's E=MC2 proved
- Glenns
- · Replies 7 ·
Graduate Derivation of Time Dilation and Length Contraction from Lorentz Transformation
- mahapan
- · Replies 8 ·
Graduate Why is there an 8 instead of a 4 in Einstein's gravity formulation?
- snoopies622
- · Replies 4 ·
Graduate Effects of Space-Time Hypothetical Thought Experiment
- madsam
- · Replies 9 ·
Graduate Questions about the Kretschmann curvature scalar
- student85
- · Replies 2 ·
Undergrad What is the figure of 6 years representing in resolving the Twin Paradox?
- mrausum
- · Replies 3 ·
Graduate Can kinetic energy impact the gravitational field of a system?
- WCOLtd
- · Replies 8 ·
Graduate Why can't an object move at the speed of light
- emperrotta
- · Replies 3 ·
Graduate Can gravity carry information out of a black hole?
- feynomite
- · Replies 32 ·
Graduate Mach's Principle and General Relativity
- dx
- · Replies 4 ·
Graduate Where can I find a mathematical derivation of E=mc²?
- Trekky0623
- · Replies 3 ·
Graduate How Does an Accelerating Observer Measure Light Velocity?
- brightonb
- · Replies 14 ·
Graduate Can a tachyon escape a black hole?
- liamgibbs
- · Replies 2 ·
Graduate Energy conservation in relativity
- Jandell254
- · Replies 6 ·
Graduate Going from Acceleration to Constant Velocity
- liamgibbs
- · Replies 9 ·
High School Faster than light speed Comunications?
- Replicant
- · Replies 9 ·
Graduate Can the speed of light truly be constant from its origin of motion?
- Dragohunter
- · Replies 2 ·
Graduate Evolution of randomly distributed matter and antimatter in infinite space
- Kamil Szot
- · Replies 2 ·
Undergrad What Happens to Twin Ages in the Reverse Twin Paradox at .6c?
- Austin0
- · Replies 20 ·
Graduate Gravitomagnetism equations-wikipedia wrong?
- tim_lou
- · Replies 5 ·
Graduate Near-Horizon Metric: Understanding Equation 4.2
- vizart
- · Replies 4 ·
Graduate Decelerating at 1g into a black hole
- DiamondGeezer
- · Replies 3 ·
Graduate Why can't modified gravity explain dark matter observations?
- jnorman
- · Replies 9 ·
Graduate Is Time Travel Physically Possible? Professional Advice
- Tony.K
- · Replies 24 ·
Graduate Gravitational Waves and Potential
- Naty1
- · Replies 9 ·
Graduate How would the world appear at near c?
- feynomite
- · Replies 3 ·
Graduate Where can I find examples for solving equations of motion in Relativity?
- jixe
- · Replies 2 ·
Graduate Extremal Kerr Black holes, and their associated temperature.
- Harenil
- · Replies 7 ·
Graduate Mass of a sphere of light - how pressure causes gravity
- pervect
- · Replies 14 ·
Graduate Can black holes vibrate and how do reference frames affect their properties?
- michael879
- · Replies 2 ·
Graduate Stress-energy tensor and active mass
- stevebd1
- · Replies 3 ·
Graduate Arbitrary Velocity C in Special Relativity
- Legion81
- · Replies 14 ·
Graduate Travelling on a photon towards earth
- geoffreythelm
- · Replies 1 ·
Graduate Do Photons Perceive a Two-Dimensional Universe?
- nuby
- · Replies 8 ·
Graduate Deriving the Velocity Addition Rule for Vector Addition in 2D Spacetime
- Fredrik
- · Replies 9 ·
Graduate Why do heavier atoms experience relavistic effects(contraction)?
- Chaste
- · Replies 32 ·
Graduate Correcting Discrepancies in Schwarzschild Geodesic Equations
- snoopies622
- · Replies 6 ·
Graduate Experiment: Gradient Colored Rod in Special Relativity
- yinfudan
- · Replies 4 ·
High School Does light have mass if it has energy?
- aman.yash
- · Replies 18 ·
Graduate What Happens in the Reverse Twins Paradox with Accelerated Motion?
- Austin0
- · Replies 3 ·
Graduate Is time dilation dependent on the observer's frame of reference?
- yinfudan
- · Replies 10 ·
Graduate Conservation of tensor pressure terms
- Jonathan Scott
- · Replies 8 ·
Graduate Relative Relativistic Velocities
- Chinkylee
- · Replies 6 ·
Graduate Twin paradox and the nature of time?
- Artlav
- · Replies 25 ·
Graduate Do Gravitational Effects Impact Mass at a Distance in the Universe?
- Denton
- · Replies 13 ·
Undergrad Michelson-Morley experiment with light sources at different speeds
- optrix
- · Replies 5 ·
Undergrad What Causes Time Dilation and Why Does Mass Increase Near Light Speed?
- Wellesley
- · Replies 29 ·
Graduate Kerr metric hydrostatic equilibrium
- Orion1
- · Replies 1 ·
Undergrad What Is the Principle of Equivalence?
- Offalycool
- · Replies 5 ·
Undergrad Ready to Explore the Updated Edition of Black Holes?
- DanP
- · Replies 9 ·
Graduate Is there a good introduction to Hawking Radiation?
- JustStudent
- · Replies 18 ·
Graduate When are two spacetimes the same
- smallphi
- · Replies 1 ·
Graduate Why use a round-trip light signal for length contraction instead of one-way
- yinfudan
- · Replies 11 ·
Graduate Gravitational lensing and diffraction patterns
- mossek
- · Replies 3 ·
Graduate Inertia and relativistic mass.
- JakeStan
- · Replies 6 ·
Graduate Questions deriving from the Principle of Equivalence
- Chaste
- · Replies 19 ·
Graduate The Twins Paradox in curved spacetime
- DiamondGeezer
- · Replies 18 ·
Graduate What does rest energy mean if a particle is never at rest?
- mkbh_10
- · Replies 10 ·
Graduate Actual mechanics behind gravity
- LpcArk
- · Replies 7 ·
Graduate Understanding Gravitational Waves and Their Impact on Entropy
- Denton
- · Replies 6 ·
Graduate What Causes Clocks to Appear Unsynchronized in Different Frames of Reference?
- matheinste
- · Replies 9 ·
Graduate Conceptual basis for a non-relative rest frame
- Austin0
- · Replies 11 ·
Graduate Question on gravity at the center of the earth
- Austin0
- · Replies 5 ·
Graduate Black holes and whether General Relativity views light as a ballistic particle?
- Boffin
- · Replies 22 ·
Graduate Would tiny deviations from inverse square gravity destabilize the solar system?
- magnetar
- · Replies 4 ·
Graduate Is gravity a force if general relativity says it isn't?
- spidey
- · Replies 5 ·
Graduate Why is the boundary of the chronological future achronal and 3-dimensional?
- JasonJo
- · Replies 1 ·
Graduate Could Gravity and the Strong Force Be the Same Phenomenon at Different Scales?
- LpcArk
- · Replies 3 ·
Graduate How Does Light Speed Affect Signal Transmission Between Moving Objects in Space?
- hakovala
- · Replies 13 ·
Graduate Does gravity suffer hysteresis effects at high speeds?
- wolram
- · Replies 38 ·
Undergrad Will clocks in space show the same time after slowing down?
- Gib Z
- · Replies 2 ·
Graduate Lorentz Transformation without length?
- Saw
- · Replies 5 ·