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spacetimeengineer
  • Member for 10 years, 2 months
  • Last seen more than a month ago
10 votes
4 answers
2k views

Can one assign an equivalence principle of some kind to the EM field?

6 votes
4 answers
9k views

Deriving a Schwarzschild radius using relativistic mass

5 votes
2 answers
2k views

The Einstein–de Haas effect on a ferromagnetic coil which generates the external magnetic field

5 votes
1 answer
263 views

How is $\Omega_0 = 1$ when the characteristic "teardrop" past light cone seems to admit curvature?

4 votes
5 answers
2k views

On the relationship between mass-energy and electric field energy

3 votes
0 answers
185 views

Does reality express non-local realism, local non-realism or non-local non-realism? [closed]

3 votes
3 answers
164 views

At an instant, does a system of gravitational charges exhibit equivalent behavior to a time-reversed system of like electric charges?

2 votes
1 answer
91 views

Instructions for mapping the independent Riemann coefficients to the redundant Riemann coefficients

2 votes
0 answers
51 views

What is the effective physical difference between a massive region of a polarized vacuum and a region of curved space-time?

2 votes
1 answer
1k views

How does one refute a Machian mechanism for inertial emergence? [closed]

2 votes
2 answers
435 views

Does quantum entanglement imply the existence of a non-causal structure connecting space-time together? [closed]

2 votes
0 answers
189 views

The speed of light during the inflationary period

1 vote
2 answers
307 views

How can the universe be flat and have no center if universal mass-energy content is finite?

1 vote
3 answers
546 views

How can the electromagnetic stress energy tensor be restricted to flat space-time

1 vote
1 answer
287 views

Upper limit to electric charge confinement?

1 vote
0 answers
106 views

What is the most effective dielectric material known to man?

0 votes
1 answer
106 views

What does inflationary theory explain which quantum entanglement cannot?

0 votes
1 answer
139 views

Do the concepts of intrinsic and extrinsic curvatures imply that all spaces are embedded in a higher dimensional space?