- #1

nomadreid

Gold Member

- 1,430

- 141

## Main Question or Discussion Point

In the equation

ds

the units on the RHS are units of distance squared. But it would seem that units for a spacetime metric should somehow be in units which incorporate both space and time units.

Undoubtedly this is an elementary question, but one has to start somewhere. Thanks.

ds

^{2}=dx^{2}+dy^{2}+dz^{2}-c^{2}*dt^{2}the units on the RHS are units of distance squared. But it would seem that units for a spacetime metric should somehow be in units which incorporate both space and time units.

Undoubtedly this is an elementary question, but one has to start somewhere. Thanks.

Last edited: