The theory of relativity show that the universe does not exist within space and time but rather the universe and space/time are linked and are dependent on each other to exist. Hence the concepts of "before the universe" or "outside the universe" have no meaning.
As for causality, an object can only send information to another object at the speed of light or below the speed of light, not faster. So not only can past events only effect present and future events, but past events can only effect events that are at least t second ahead in time; where t = the distance between the events/ the speed of light.
You can think of this like lag on the internet. In online games everything someone does will only effect everyone else slightly later than they did it. So if you and another person do an action at the same time, theirs will appear to happen slightly later than yours, because of lag. So for you, their action happened later than yours. However this also works the other way around! For them, your action happened later than theirs. So you can't agree on the timeline on events. Obviously in online games there is a server that works out a set timeline. However there is no equivalent to a server in the universe, but this "lag" still occurs. So the timeline of events is different from different perspectives!
I know that doesn't solve much but hopefully it gives you something more to think about :P
Is it normal to live in a paradox?
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The theory of relativity show that the universe does not exist within space and time but rather the universe and space/time are linked and are dependent on each other to exist. Hence the concepts of "before the universe" or "outside the universe" have no meaning.
As for causality, an object can only send information to another object at the speed of light or below the speed of light, not faster. So not only can past events only effect present and future events, but past events can only effect events that are at least t second ahead in time; where t = the distance between the events/ the speed of light.
You can think of this like lag on the internet. In online games everything someone does will only effect everyone else slightly later than they did it. So if you and another person do an action at the same time, theirs will appear to happen slightly later than yours, because of lag. So for you, their action happened later than yours. However this also works the other way around! For them, your action happened later than theirs. So you can't agree on the timeline on events. Obviously in online games there is a server that works out a set timeline. However there is no equivalent to a server in the universe, but this "lag" still occurs. So the timeline of events is different from different perspectives!
I know that doesn't solve much but hopefully it gives you something more to think about :P
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q25t
10 years ago
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That was a really good metaphor for that. Nice one.
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Devyn
10 years ago
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thank you