Skip to main content

Explore our questions

7 votes
4 answers
474 views

Is it possible to express various nonlinear motions as straight lines in transformed spacetime?

5 votes
1 answer
617 views

Aristotelian vs Galilean relativity in terms of bundles

5 votes
3 answers
301 views

How does special relativity lead to anti-particles?

9 votes
6 answers
3k views

John, in his spaceship traveling at relativistic speed, is crossing the Milky Way in 500 years. How many supernovae explosions would he experience?

1 vote
1 answer
42 views

Why does the mass-energy equivalence apply to binding energy when it is derived purely through kinematic means?

1 vote
0 answers
64 views

Magnetic field in different frames

2 votes
5 answers
488 views

Derivation of the length-contraction formula

0 votes
2 answers
60 views

How to prove $ g^{\mu\nu}\Lambda^{\rho}{}_{\mu}\Lambda^{\sigma}{}_{\nu}=g^{\rho\sigma} $ for the inverse metric?

12 votes
5 answers
2k views

Is intrinsic spin a quantum or/and a relativistic phenomenon?

0 votes
1 answer
211 views

Where to learn about Poincaré Group properties?

1 vote
0 answers
70 views

Lienard's Formula from the Larmor Formula and Relativity

1 vote
0 answers
39 views

Can a vector tangent to a spacelike surface be null?

2 votes
0 answers
30 views

What is the topology of a spacelike cross-section of a null hypersurface?

0 votes
0 answers
30 views

Linearity of Amplitudes and Lorentz Frames

Browse more Questions