Mark Harriss said:
There was a Philadelphia Experiment sequel where the Nazis got hold of
a nuke armed stealth bomber from the future and won WW2 with it.
Time travel is a joke. Effectively you have to unwind all the physical and chemical
reactions backwards many years in an instant, the whole universe except for the
time travellers atoms. With billions of intelligent life throughout the universe, once
time travel technology was discovered we'd never progress much further into the future.
And don't give me that multiple worlds BS.
Herc