Time travel: reading material
I am taking a metafysics class1 and last lectur's topic was time travel. That is an issu i sort of like but i dislike the way people discuss it, in…
Heinlein on time travel
"[speaking of going back in time] I'd particularly like to go back to my own childhood, see if things look as I recall them." Ira blinked. "Run a chance of…