Alternate universes in sci-fi • English Conversation Questions

What is your favorite alternate universe in sci-fi, and why?
Do you think alternate universes could actually exist, and if so, how might we discover them?
How do alternate universes typically differ from our own, and what are some common themes?
What are some of the ethical implications of traveling to or interacting with alternate universes?
What role do alternate universes play in storytelling, and why are they so popular in sci-fi?
How might alternate universes be used as a metaphor or commentary on our own society or world?
What are some of the most interesting or creative alternate universe concepts you’ve encountered in sci-fi?
Do you think alternate universes could help us better understand our own universe and place in it?
What are some of the scientific or theoretical underpinnings of alternate universe theories?
How do alternate universes relate to other sci-fi concepts, such as time travel or teleportation?
What are some potential downsides or dangers of exploring alternate universes, either in fiction or in reality?