Why is the relativistic Lorentz factor defined this way?
53952
What does $\frac{1}{\sqrt{1 - \frac{v^2}{c^2}}}$ mean with respect to special relativity?
147524
Why is the "canonical momentum" for the Dirac equation not defined in terms of the "gauge covariant derivative"?
132106
Why does the speed of light $c$ have the value it does?
83175
Infinitesimal transformations for a relativistic particle
148196
Does the speed of light in different mediums affect the lorentz transformation?
151814
Relativistic centripetal force
152803
The effects of Lorentz transformation on shape
73660
Relativistic Doppler effect derivation
45888
Minkowski metric -- why does it follow from the constancy of the speed of light?
44566
Is (rest) mass conserved in special relativity?
43304
Lorentz transformation of Gamma matrices $\gamma^{\mu}$
78258
How Special Relativity causes magnetism
38723
Can Poincare representations be embedded in non-standard Lorentz representations?
64822
Why is speed defined like it is?
48192
Staggered Indices ($\Lambda^\mu{}_\nu$ vs. $\Lambda_\mu{}^\nu$) on Lorentz Transformations
78924
What is $c$ in the Lorentz force expression?
88879
Time dilation as an observer in special relativity