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Special and General Relativity Forum

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.

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Graduate Question on simultaneous events.

Feb 5, 2004 · Replies 64 · May 7, 2004

3

Replies: 64

Views: 9K

Graduate What is a hypersphere and how can we comprehend its time dimensions?

May 5, 2004 · Replies 3 · May 6, 2004

Replies: 3

Views: 3K

Graduate Quantum Mechanics: Unfamiliar Arena of Before & After

May 4, 2004 · Replies 3 · May 5, 2004

Replies: 3

Views: 2K

Graduate Relativity and the Puzzling Effects of Velocity on Mass: Encarta Insights

May 2, 2004 · Replies 8 · May 4, 2004

Replies: 8

Views: 2K

Graduate Pen State Lectures Feb 2004: Abhay Ashtekar

Apr 29, 2004 · Replies 29 · May 3, 2004

Replies: 29

Views: 4K

Graduate Alternative theories to General Relativity - great opportunity

Apr 14, 2004 · Replies 19 · May 2, 2004

Replies: 19

Views: 5K

Undergrad Questioning Time Travel: Can We? Should We?

Apr 30, 2004 · Replies 10 · May 1, 2004

Replies: 10

Views: 3K

Undergrad A computer teacher on a physics roll here?

May 1, 2004 · Replies 1 · May 1, 2004

Replies: 1

Views: 2K

Graduate Is the Kerr-Newman Solution the Only Model for Charged Rotating Black Holes?

Apr 30, 2004 · Replies 1 · Apr 30, 2004

Replies: 1

Views: 4K

Graduate Invariant under Lorentz transformation

Apr 28, 2004 · Replies 6 · Apr 30, 2004

Replies: 6

Views: 3K

Graduate Can You Explain the Basic Equations of General Relativity in 20 Minutes?

Apr 30, 2004 · Replies 2 · Apr 30, 2004

Replies: 2

Views: 2K

Graduate Light Static? 4D Space, Expanding Upwards at c

Apr 4, 2004 · Replies 10 · Apr 28, 2004

Replies: 10

Views: 4K

Graduate GPB hopefully to end DM nonsense

Apr 20, 2004 · Replies 13 · Apr 27, 2004

Replies: 13

Views: 3K

Graduate Consistence problems and Introduction to relativity

Apr 25, 2004 · Replies 3 · Apr 27, 2004

Replies: 3

Views: 3K

Undergrad How Does Mass Distort Spacetime?

Apr 22, 2004 · Replies 4 · Apr 27, 2004

Replies: 4

Views: 3K

Undergrad Is Mass Truly Just Energy in Different Forms?

Apr 17, 2004 · Replies 14 · Apr 27, 2004

Replies: 14

Views: 4K

Undergrad SR Misunderstanding: Mass from E=mc^2?

Apr 26, 2004 · Replies 7 · Apr 27, 2004

Replies: 7

Views: 3K

Graduate Understanding Causality & Tacheyon Time Travel

Apr 26, 2004 · Replies 5 · Apr 26, 2004

Replies: 5

Views: 3K

Graduate Understanding Einstein's Relativity: From Energy Equations to Series Development

Apr 26, 2004 · Replies 2 · Apr 26, 2004

Replies: 2

Views: 2K

Graduate Is Metric Required for Expansion and Causality in Science?

Apr 24, 2004 · Replies 5 · Apr 26, 2004

Replies: 5

Views: 2K

Graduate The Pugilistic Albert - Round 2

Apr 13, 2004 · Replies 34 · Apr 26, 2004

2

Replies: 34

Views: 5K

Graduate String and Relativity questions

Apr 23, 2004 · Replies 18 · Apr 26, 2004

Replies: 18

Views: 3K

Graduate Can Reverse Gravitational Force be Used for Interstellar Travel?

Apr 21, 2004 · Replies 9 · Apr 25, 2004

Replies: 9

Views: 6K

Undergrad Relative Direction: Proving Einstein's Theory with Clocks

Apr 24, 2004 · Replies 6 · Apr 25, 2004

Replies: 6

Views: 3K

Undergrad Why Do People Believe in Einstein Theory Over Push/Radiation Theory?”

Apr 24, 2004 · Replies 12 · Apr 25, 2004

Replies: 12

Views: 3K

Graduate Michelson and Morley solved, relativity gone

Mar 18, 2004 · Replies 129 · Apr 25, 2004

5

Replies: 129

Views: 14K

Graduate Gravity Probe B: A foregone conclusion?

Apr 24, 2004 · Replies 2 · Apr 24, 2004

Replies: 2

Views: 2K

Graduate Understanding Relativity: The Sophomore's Question and Einstein's Answer

Apr 19, 2004 · Replies 37 · Apr 23, 2004

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Replies: 37

Views: 5K

Graduate Speed of light in a comoving frame

Apr 20, 2004 · Replies 16 · Apr 23, 2004

Replies: 16

Views: 5K

Graduate The Science of Time Travel: Uncovering Ancient Knowledge and Modern Discoveries

Feb 9, 2004 · Replies 32 · Apr 23, 2004

2

Replies: 32

Views: 12K

Graduate Relativity and accelerating observers?

Apr 20, 2004 · Replies 10 · Apr 23, 2004

Replies: 10

Views: 7K

Graduate Charges in gravitational fields

Apr 22, 2004 · Replies 6 · Apr 23, 2004

Replies: 6

Views: 3K

Graduate What is the medium that affects the speed of light in the Fizeau Experiment?

Apr 21, 2004 · Replies 2 · Apr 23, 2004

Replies: 2

Views: 2K

Graduate How can I relate four formulas from special relativity to find a solution?

Apr 22, 2004 · Replies 3 · Apr 22, 2004

Replies: 3

Views: 3K

Graduate A newbie question on time dilation formula

Apr 22, 2004 · Replies 6 · Apr 22, 2004

Replies: 6

Views: 3K

Gravity probe launching countdown

Apr 16, 2004 · Replies 2 · Apr 19, 2004

Replies: 2

Views: 3K

Undergrad Doesn't light's constant speed dictate an 'ether'?

Mar 26, 2004 · Replies 105 · Apr 19, 2004

4

Replies: 105

Views: 14K

Graduate Doppler & Absorption: Effects on Light Wavelengths

Mar 31, 2004 · Replies 18 · Apr 19, 2004

Replies: 18

Views: 4K

Graduate Time Dilation different depending on cause?

Apr 11, 2004 · Replies 2 · Apr 18, 2004

Replies: 2

Views: 2K

Graduate Quantum gravity and planck scales.

Apr 10, 2004 · Replies 7 · Apr 18, 2004

Replies: 7

Views: 2K

Graduate Relativistic equations, how does one isolate variables?

Apr 17, 2004 · Replies 2 · Apr 17, 2004

Replies: 2

Views: 4K

Graduate The Expansion Tendency of the Universe According to GR

Mar 31, 2004 · Replies 29 · Apr 14, 2004

Replies: 29

Views: 4K

Graduate This relativistic kinetic energy equation makes no sense to me

Apr 14, 2004 · Replies 5 · Apr 14, 2004

Replies: 5

Views: 10K

Graduate Traveling Back in Time: Breaking Einstein's 4 Dimensions

Mar 28, 2004 · Replies 21 · Apr 14, 2004

Replies: 21

Views: 5K

Graduate What is the Double Special Relativity theory?

Apr 7, 2004 · Replies 2 · Apr 14, 2004

Replies: 2

Views: 2K

High School Why the symbol c was chosen to represent the speed of light

Apr 7, 2004 · Replies 2 · Apr 14, 2004

Replies: 2

Views: 2K

Graduate Testing General Relativity, and perhaps Quantum Gravity

Mar 28, 2004 · Replies 9 · Apr 14, 2004

Replies: 9

Views: 3K

Graduate Has light wavelength compression been proven?

Apr 11, 2004 · Replies 5 · Apr 13, 2004

Replies: 5

Views: 3K

Graduate Graviton Questions: How Do Gravitons Pass Through Objects?

Apr 10, 2004 · Replies 3 · Apr 13, 2004

Replies: 3

Views: 2K

Undergrad The Pugilistic Albert - Round 1

Apr 12, 2004 · Replies 4 · Apr 13, 2004

Replies: 4

Views: 2K

Graduate What happens to mass at the speed of light

Apr 1, 2004 · Replies 16 · Apr 13, 2004

Replies: 16

Views: 21K

Graduate Applying the lorentz transformation

Apr 9, 2004 · Replies 7 · Apr 13, 2004

Replies: 7

Views: 4K

Graduate Does mass truly increase with energy according to special relativity?

Mar 31, 2004 · Replies 6 · Apr 13, 2004

Replies: 6

Views: 4K

Graduate Can Mach's Principle Be Tested with a Gyroscope in the Void of Space?

Apr 9, 2004 · Replies 8 · Apr 12, 2004

Replies: 8

Views: 3K

Graduate The Peripatetic Albert - Warmup Lap

Apr 11, 2004 · Replies 2 · Apr 12, 2004

Replies: 2

Views: 2K

Undergrad What Are the Best Resources for Understanding Einstein's Relativity?

Apr 10, 2004 · Replies 2 · Apr 12, 2004

Replies: 2

Views: 2K

Undergrad How can mass equation rely on 'rest mass'?

Apr 11, 2004 · Replies 6 · Apr 12, 2004

Replies: 6

Views: 3K

Undergrad Relativistic Mass Propulsion or the RMP

Mar 26, 2004 · Replies 8 · Apr 11, 2004

Replies: 8

Views: 3K

Graduate Can Twins Age Differently in Space Without Acceleration?

Apr 10, 2004 · Replies 10 · Apr 10, 2004

Replies: 10

Views: 3K

Graduate Is Space Truly Three Dimensional?

Apr 6, 2004 · Replies 9 · Apr 9, 2004

Replies: 9

Views: 7K

High School Why does the Earth move around the sun?

Apr 8, 2004 · Replies 8 · Apr 9, 2004

Replies: 8

Views: 3K

High School What is FOR ? doppler shift?

Apr 1, 2004 · Replies 2 · Apr 8, 2004

Replies: 2

Views: 2K

Undergrad Traveling at Light Speed: Our Earth's Movement Through Time

Apr 5, 2004 · Replies 5 · Apr 7, 2004

Replies: 5

Views: 3K

Graduate How Does Gravity Affect Space and Time Near Black Holes?

Apr 1, 2004 · Replies 8 · Apr 7, 2004

Replies: 8

Views: 3K

Graduate The Fundamental Postulate Of Special Relativity Is Self-Contradictory

Mar 31, 2004 · Replies 156 · Apr 7, 2004

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Replies: 156

Views: 19K

Undergrad Satellite to test Einstein's predictions

Apr 3, 2004 · Replies 2 · Apr 5, 2004

Replies: 2

Views: 2K

Graduate Mass Change in Objects: Investigating the Effects

Mar 27, 2004 · Replies 10 · Apr 5, 2004

Replies: 10

Views: 4K

Graduate Quick question on where to apply time dilation.

Apr 3, 2004 · Replies 10 · Apr 4, 2004

Replies: 10

Views: 3K

Satellite to test Einstein predictions

Apr 3, 2004 · Replies 4 · Apr 4, 2004

Replies: 4

Views: 2K

Graduate General Relativity and relationism

Apr 2, 2004 · Replies 3 · Apr 2, 2004

Replies: 3

Views: 3K

Undergrad Light in the wake of huge objects

Mar 24, 2004 · Replies 2 · Apr 2, 2004

Replies: 2

Views: 2K

High School Laymen’s view of what general relativity is?

Apr 1, 2004 · Replies 5 · Apr 2, 2004

Replies: 5

Views: 2K

What Unique Perspectives on Mathematics Does the UCR Math Website Offer?

Mar 26, 2004 · Replies 2 · Apr 2, 2004

Replies: 2

Views: 9K

Graduate Can Gravity Enable Instantaneous Communication Faster Than Light?

Mar 14, 2004 · Replies 9 · Apr 1, 2004

Replies: 9

Views: 3K

Graduate How does the uncertainty principle affect the behavior of photons?

Mar 29, 2004 · Replies 8 · Mar 31, 2004

Replies: 8

Views: 3K

Graduate Is The Theory Of Special Relativity Wrong?

Mar 30, 2004 · Replies 18 · Mar 31, 2004

Replies: 18

Views: 5K

Graduate Can we really travel back in time using a wormhole?

Mar 25, 2004 · Replies 4 · Mar 30, 2004

Replies: 4

Views: 4K

Graduate Going Faster Than Light: Can It Be Achieved?

Mar 29, 2004 · Replies 8 · Mar 30, 2004

Replies: 8

Views: 2K

Graduate Stephen Hawking Grand Unified Theory

Mar 18, 2004 · Replies 2 · Mar 29, 2004

Replies: 2

Views: 4K

Graduate What is the significance of a 4-vector's magnitude being c?

Mar 27, 2004 · Replies 10 · Mar 29, 2004

Replies: 10

Views: 13K

Graduate SuperDuper Problem In The Time Dilation Formula Revealed

Mar 28, 2004 · Replies 2 · Mar 29, 2004

Replies: 2

Views: 4K

Graduate Amazing new experiment proposed

Mar 26, 2004 · Replies 6 · Mar 27, 2004

Replies: 6

Views: 3K

Graduate Check Spacetime Diagram for Scenario w/v=3/4c & \gamma=1.5

Mar 19, 2004 · Replies 8 · Mar 26, 2004

Replies: 8

Views: 4K

Graduate Relative Time Notation: Observer's POV & Objectivity

Mar 21, 2004 · Replies 6 · Mar 26, 2004

Replies: 6

Views: 3K

Graduate Understanding Einstein's Theory: The Role of Spacetime in Motion

Mar 22, 2004 · Replies 7 · Mar 25, 2004

Replies: 7

Views: 3K

Is There a Correlation Between Cognitive and Artistic Talent in Great Minds?

Mar 19, 2004 · Replies 30 · Mar 25, 2004

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Replies: 30

Views: 33K

Graduate Which bomb explodes first, and why?

Mar 19, 2004 · Replies 12 · Mar 25, 2004

Replies: 12

Views: 3K

High School How do physicists use differential equations to describe the world?

Mar 20, 2004 · Replies 4 · Mar 24, 2004

Replies: 4

Views: 4K

Undergrad Why is c even in the equation?

Mar 21, 2004 · Replies 4 · Mar 24, 2004

Replies: 4

Views: 15K

Graduate How are gravitational radiation and electromagnetic radiation related?

Mar 21, 2004 · Replies 1 · Mar 24, 2004

Replies: 1

Views: 4K

Undergrad Centrifugal Force: Facts & Equations

Mar 20, 2004 · Replies 4 · Mar 24, 2004

Replies: 4

Views: 6K

Graduate Einstein & Gravity: Explained by HallsofIvy

Mar 16, 2004 · Replies 2 · Mar 23, 2004

Replies: 2

Views: 3K

Graduate Relative antiparallel photons generate Q. M.?

Mar 21, 2004 · Replies 7 · Mar 23, 2004

Replies: 7

Views: 3K

Graduate What Happens to a Donut Spinning at Near-Light Speeds?

Mar 17, 2004 · Replies 8 · Mar 23, 2004

Replies: 8

Views: 3K

Graduate Geodetic and Frame-Dragging Effects on Gyroscope Axis of Rotation

Mar 15, 2004 · Replies 2 · Mar 23, 2004

Replies: 2

Views: 3K

Graduate Who give me some references to Kaluza-Klain's theoy in 5D?

Mar 16, 2004 · Replies 2 · Mar 23, 2004

Replies: 2

Views: 2K

Graduate Simulteneity and other myths, maybe?

Mar 17, 2004 · Replies 3 · Mar 21, 2004

Replies: 3

Views: 3K

Graduate What is the relationship between energy and the curvature of spacetime?

Mar 19, 2004 · Replies 1 · Mar 21, 2004

Replies: 1

Views: 3K

Undergrad What exactly are Lorentz transformations?

Mar 20, 2004 · Replies 8 · Mar 20, 2004

Replies: 8

Views: 4K

Graduate Definition of relativity's interval

Mar 18, 2004 · Replies 10 · Mar 20, 2004

Replies: 10

Views: 6K

Relativity

The theory of relativity, formulated by Albert Einstein, comprises two fundamental theories—special and general relativity. Special relativity, proposed in 1905, redefines our understanding of space and time by asserting the constancy of the speed of light for all observers and introducing concepts like time dilation and length contraction.

General relativity, presented in 1915, extends these principles to incorporate gravity. It describes gravity as the curvature of spacetime caused by massive objects, leading to phenomena like gravitational time dilation and the prediction of black holes. Einstein's equations have been consistently validated through experiments and observations, profoundly influencing our comprehension of the universe's fabric and dynamics.

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