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.
Undergrad Understanding Relativity to Explaining Time Dilation
  • · Replies 11 ·
Replies
11
Views
4K
Undergrad Light vs Light: What Does it Look Like?
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Information traveling faster than light?
  • · Replies 5 ·
Replies
5
Views
4K
Undergrad Defining Special Relativity & General Relativity
  • · Replies 35 ·
2
Replies
35
Views
8K
Undergrad Relativity: Inertial vs. Coordinate Systems Explained
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Why do like charges and poles repel in the long run?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Photons and Relativity: A Question of Speed and Time
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Electric field and gravitational field
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Why can't a photon exceed the speed of light?
  • · Replies 18 ·
Replies
18
Views
7K
Undergrad Special relativity & length contraction
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Understanding the Relationship Between Moving Electrons and Magnetic Fields
  • · Replies 18 ·
Replies
18
Views
17K
Undergrad Modern Physics: Center of Momentum Speed
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad What is the true nature of time and its relationship to space?
  • · Replies 12 ·
Replies
12
Views
3K
Undergrad Phantastic Photons: Rate of Light Emission & Laser Images
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad What Is the Linear Form of the Lorentz Transformation Equation?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Understanding Speed: The Science Behind Movement and Its Limitations
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Noobish question on time dilation
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad When sun is gone, gravity of light, which one faster?
  • · Replies 21 ·
Replies
21
Views
5K
Undergrad Do Photons Experience Gravitational Red Shift?
  • · Replies 12 ·
Replies
12
Views
5K
Undergrad Universe Expansion: Is There a Cycle?
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Is a 2004 Discovery About Physics Still Relevant Today?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Explaining Pythagoras' Theorem & Its Impact on Acceleration
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Is Time Dilation Making You Younger or Older in Special Relativity?
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Just from personal study, is this possible?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Time vs Space: Physical Quantities Compared
  • · Replies 10 ·
Replies
10
Views
4K
Undergrad Is a uniform gravitational field a gravitational field?
  • · Replies 126 ·
5
Replies
126
Views
34K
Undergrad Constant Velocity: Does Time Dilation Occur?
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Speed of light relative to universe expansion?
  • · Replies 31 ·
2
Replies
31
Views
12K
Undergrad Time Dilation: Relativity's Surprising Effect
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Throwing a string into a blackhole
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Understanding Relativity from A and B's Point of View
  • · Replies 5 ·
Replies
5
Views
5K
Undergrad Does velocity affect mass in physics experiments?
  • · Replies 15 ·
Replies
15
Views
3K
Undergrad Not possible to shield gravitational forces
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Doppler effect / expanding universetrouble uniting both concepts?
  • · Replies 29 ·
Replies
29
Views
8K
Undergrad What Is the Relative Nature of Light Speed?
  • · Replies 23 ·
Replies
23
Views
5K
Undergrad How Does the Twin Paradox Challenge Our Understanding of Time Dilation?
  • · Replies 35 ·
2
Replies
35
Views
8K
Undergrad Why objects with different mass fall with same velocity?
  • · Replies 11 ·
Replies
11
Views
15K
Undergrad Why c=1 in relativistic equations
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Question about deflection of light test
  • · Replies 29 ·
Replies
29
Views
5K
Undergrad How Does a Black Hole Attract Light?
  • · Replies 10 ·
Replies
10
Views
11K
Undergrad Can space-time curvature be applied to artificial satellites.
  • · Replies 21 ·
Replies
21
Views
5K
Undergrad Questions about General Relativity (GR) - Andrew
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Questions about motion equations
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad General Relativity for Dummies
  • · Replies 42 ·
2
Replies
42
Views
36K
Undergrad Time Dilation: An Explainer for Beginners
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad How Can Photons Have Momentum If They Have No Mass?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Time Dilation Explained: Why Planes Lose Time
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Does Light Exert a Force on Lasers?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Is the speed of light really constant?
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Time as a function of distance for constant a
  • · Replies 18 ·
Replies
18
Views
9K
Undergrad Time Dilation: Stationary vs. Moving Atomic Clocks
  • · Replies 52 ·
2
Replies
52
Views
10K
Undergrad Distance Travelled by B After Circumnavigating A: 2\pi r
  • · Replies 5 ·
Replies
5
Views
8K
Undergrad Relativity in Film: A Resource Guide
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Clock Ticking Speed: Center vs Surface
  • · Replies 11 ·
Replies
11
Views
5K
Undergrad Relationship between E=mc^2 and gravity
  • · Replies 14 ·
Replies
14
Views
12K
Undergrad Lorentz Factor Explained for Laymen: Twin Paradox
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad How are the photoelectric effect and special relativity related?
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad Light Behaviour: Does Gravity Accelerate Light?
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad Understanding the Impact of Mood on Perception
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad What is Einstein's thought experiment about special relativity?
  • · Replies 12 ·
Replies
12
Views
6K
Undergrad I Need the explaination of The image of formation of black hole
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Transforming Kinetic Energy: A Geometric Approach
  • · Replies 6 ·
Replies
6
Views
6K
Undergrad Twin Paradox Theory: Explained for 9th Graders
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Twin #1 is calling twin #2 in mid flight on instant-stellar phone
  • · Replies 10 ·
Replies
10
Views
4K
Undergrad Grasping Special Relativity: Concept Understanding for 17yo
  • · Replies 17 ·
Replies
17
Views
4K
Undergrad Starting to learn about General and special relativity
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Is there a way to intuitively understand proper time in special relativity?
  • · Replies 8 ·
Replies
8
Views
4K
Undergrad Time dilation- V relative to what?
  • · Replies 12 ·
Replies
12
Views
4K
Undergrad A complete course in relativity.
  • · Replies 30 ·
2
Replies
30
Views
6K
Undergrad Principle of Relativity violation
  • · Replies 9 ·
Replies
9
Views
4K
Undergrad Relativity Question: Length Contraction of Moving Boxes
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Does Weight Change with Reference Frame? A Question Explored
  • · Replies 4 ·
Replies
4
Views
3K
  • Poll Poll
Undergrad A simple observation regarding the equivalence of acceleration and gravity
  • · Replies 54 ·
2
Replies
54
Views
9K
Undergrad Experiencing time faster rathe than slower
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Does every piece of information in the universe have mass?
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Can a Michelson Interferometer Detect Gravitational Waves on a Small Scale?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Is Matter Simply a Form of Energy?
  • · Replies 54 ·
2
Replies
54
Views
8K
Undergrad Spacetime and problem of 4th dimesion.
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad The Length of Pendulum Strings: Motion Effects
  • · Replies 9 ·
Replies
9
Views
4K
Undergrad Understanding Time Dilation in Special Relativity
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Dynamic Mass of Photon: E=mc^2 & hv
  • · Replies 76 ·
3
Replies
76
Views
18K
Undergrad Is Space Infinitely Divisible?
  • · Replies 9 ·
Replies
9
Views
7K
Undergrad Does Space Have Mass According to Einstein's Theory?
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Can Gravity Near a Black Hole Allow Time Travel?
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Maybe im onto something or i dont have a clue what im on ablout
  • · Replies 20 ·
Replies
20
Views
4K
Undergrad Square Root in Special Relativity
  • · Replies 6 ·
Replies
6
Views
4K
Undergrad Understanding Galilean Transformation: A Troubleshooting Guide
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Combined velcoities of earth's rotation and revolution + sun + galaxy
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Calculate Gravitational Time Dilation: Step-by-Step Guide"
  • · Replies 14 ·
Replies
14
Views
3K
Undergrad Non Geodesic Motion: Definition & Explanation
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Can Electromagnets Instantly Communicate Across Light Years?
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Index notation vs Dirac notation
  • · Replies 6 ·
Replies
6
Views
14K
Undergrad Can Photons Escape the Gravitational Pull of Black Holes?
  • · Replies 14 ·
Replies
14
Views
4K
Undergrad Why cant forces travel faster than light speed?
  • · Replies 8 ·
Replies
8
Views
7K
Undergrad Does space and matter co-exist?
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad How to apply e=mc^2 to a photon?
  • · Replies 38 ·
2
Replies
38
Views
8K
Undergrad Can Sound Travel Faster Than Light?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Newbie question about time dilation
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad How Does Mass Influence the Curvature of Spacetime?
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad Twin Paradox: Special Relativity Theory Explained
  • · Replies 37 ·
2
Replies
37
Views
9K