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jim
  • Member for 7 years, 3 months
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  • liverpool
16 votes
2 answers
2k views

Why does gravity travel at the speed of light?

9 votes
3 answers
8k views

Gravitational waves frequency

8 votes
2 answers
673 views

Special Relativity, refractive index and catching up with a wave

7 votes
1 answer
1k views

Lagrangian for a free Dirac field equal zero?

3 votes
1 answer
93 views

Number of Wick contractions for $\left< x ( t^\prime )^5 x ( t^{\prime \prime} )^5 \right>$

3 votes
2 answers
582 views

Are the properties assigned to quarks meaningful?

3 votes
2 answers
112 views

Do black lines exist?

3 votes
2 answers
2k views

Magnetic fields and closed loop

2 votes
1 answer
352 views

Magnetic dipole in a magnetic field

2 votes
1 answer
6k views

relationship between torque and potential energy for electromagnetism

2 votes
1 answer
190 views

Boundary conditions for Quantum Cascade Laser (QCL)

2 votes
2 answers
225 views

Matter-antimatter and annihilation

1 vote
0 answers
334 views

The flow of time and relativity: the Now hypothesis of Richard Muller [closed]

1 vote
0 answers
73 views

standard model classical limit [duplicate]

1 vote
2 answers
767 views

running on the outside of a moving train

1 vote
1 answer
71 views

Query over the resistivity of diamond

1 vote
4 answers
305 views

Angular momentum quantum mechanics operator

1 vote
0 answers
68 views

Radiation Reaction and Acausal Acceleration

0 votes
1 answer
57 views

Rate at which bullets strike a stationary target when gun in motion [closed]

0 votes
0 answers
53 views

Neutrino oscillations

0 votes
1 answer
48 views

How to approach stationarity in Hamilton mechanics?

0 votes
0 answers
17 views

range of validity of gravitional field in describing quantum interference experiments

0 votes
1 answer
64 views

what does the term magnification mean on a pair of binoculars?

0 votes
1 answer
827 views

Fermion anti-commutation relations

0 votes
0 answers
29 views

falling in a gravitional field [duplicate]

0 votes
3 answers
414 views

Is the Planck force a truly "Planck unit"?

0 votes
1 answer
204 views

Occupation numbers and single particle states

0 votes
1 answer
766 views

Real wave functions for periodic systems?