Is #Time Travel Possible In Our #Universe?

https://www.youtube.com/watch?v=JXZpac6TREw&ab_channel=HistoryoftheUniverse

#TimeTravel #Paradox #Philosophy #PhilosophyOfScience #PhilosophyOfTime #Presentism #Etermalism #BlockUniverse #GR #GeneralRelativity #TimeStream #TimeStreams