What is the advantage of using imaginary units for time in the Minkowski Space rather than regular euclidian space as Lorentz used?
26299
Minkowski Metric Signature
153686
Is time a Scalar or a Vector?
60084
In a very small static universe with only a particle, does it make sense to talk about time?
36380
Why not use the Lagrangian, instead of the Hamiltonian, in nonrelativistic QM?
85829
Why is law of cosines more preferable than haversine when calculating distance between two latitude-longitude points?
83672
Time dilation in a gravitational field and the equivalence principle
75651
How to calculate spatial distance in space-time?
61605
Advantages of using different metric signatures in relativity and QFT
93652
The meaning of imaginary time
13685
How do I derive the Lorentz contraction from the invariant interval?
128695
Why do people use real values for the Wick-rotated time $\tau$?
35883
Why do objects follow geodesics in spacetime?
100453
Is there any way to justify or derive the form of the Lorentz force from relativity theory?
34004
Why is time evolution unitary?
154488
What exactly is the difference between a Ricci-flat manifold and Minkowski space?
45888
Minkowski metric -- why does it follow from the constancy of the speed of light?
41340
Why do clocks measure arc-length?