Why doesn't the gravitational force have a permittivity in its formula?
106119
Why is there no permittivity-type constant for gravitation?
66395
What is permittivity in free space?
28618
Deriving Heaviside-Feynman formula for the electric field of an arbitrarily moving charge from Lienard-Wiechert potential
123571
A change in the gravitational law
79157
Is gravity just electromagnetic attraction?
116627
Why doesn't a charged particle moving with constant velocity produce electromagnetic waves?
150081
Deriving Lagrangian density for electromagnetic field
121762
Why do planets not radiate EM waves in their orbits?
19607
Can the gravitational constant $G$ be calculated theoretically?
5059
Singularity in Newton's gravitational law
41170
Why is gravity so hard to unify with the other 3 fundamental forces?
11081
Can relative permittivity be less than 1?
32537
Why is the gravitational force always attractive?
43046
Do Maxwell's Equations overdetermine the electric and magnetic fields?
153223
What's the exact gravitational force between spherically symmetric masses?
89889
What different approximations yield Gravitoelectromagnetism and Weak Field Einstein Equations?
147443
Does the existence (now proved) of gravitational waves imply the existence of Gravitons?