pglpm's user avatar
pglpm's user avatar
pglpm's user avatar
pglpm
  • Member for 7 years, 6 months
  • Last seen this week
8 votes
1 answer
342 views

The synchronized clocks on earth's surface: at which observer's rate are they beating?

6 votes
4 answers
1k views

Existing (possibly everyday) technologies that must account for electromagnetic momentum?

5 votes
3 answers
314 views

Resource request: textbook on classical mechanics from a relativistic viewpoint

1 vote
1 answer
56 views

Reference: 1+1D paper-model representation of the Lambda-CDM cosmological model

1 vote
0 answers
50 views

Norm for the energy-momentum vector: what meaning/use does it have from the point of view of the energy-momentum tensor?

1 vote
0 answers
27 views

When were the notions of "matter" (as opposed to mass) and its conservation introduced? [closed]

0 votes
1 answer
26 views

Jump conditions and energy flux between moving block and floor

0 votes
1 answer
50 views

Order of magnitude of gravitational vector potential & its gradient on Earth

0 votes
0 answers
25 views

Order of magnitude of time derivatives of gravitational potential and gravitational vector potential on Earth

0 votes
1 answer
46 views

Terminology: any specific name for the amount of something in a given volume (at a given time)?