How exactly do time loops work?

Science & Mathematics by Anonymous 2018-09-16 06:09:01

Social Science

How exactly do time loops work?

No response

E.g. in movies like Groundhog Day. Like does it affect the whole world, or just the one person? If it's the former, does that mean whenever the person wakes up, the whole world just starts again from where the day started? If it's the latter, does that mean whenever the person wakes up, a new parallel...