Monty by Jim Meddick for November 29, 2016
November 28, 2016
November 30, 2016
Transcript:
Oh, Doc!... Thank goodness you're back!... Zzzzzzztt Last time you split, you left behind a temporal vortex to medieval Flanders... Right there. Ah yes... There's only one way to deal with these pesky nuisances... Wormhole away? You can keep that, but read the warnings... Whatever you do, don't spray it on a projective vector field...
For non-mathematicians – A projective vector field (projective) is a smooth vector field on a semi Riemannian manifold (p.ex. spacetime) {\displaystyle M} M whose flow preserves the geodesic structure of {\displaystyle M} M without necessarily preserving the affine parameter of any geodesic.