Random thoughts of a wannabe time-traveler
Is a 'universe' just a moment in the 'time' dimension, just like a 'surface' is a plane in three dimensions? Does that mean our past, present and future exist together as countless universes, but as a species that cannot traverse the time dimension (yet), we are stuck inside this universe, just like 2D objects are stuck on the surface they were created on?
Length, breadth and height are 'distances' in the 3 dimensions. Is 'time' just a similar 'distance' in the 4th dimension? Various forces, like gravity, help or oppose us in easily traversing the 3 dimensions. What force is it then that keeps us from traversing the 4th dimension of time?
Gravity, while opposing our travel in the upward or positive height direction, helps us in the downward or negative height direction. Does this unknown force in the 4 dimensional world also helps in one direction through time but opposes the other? Which way is easier then, towards the future, or towards the past?
When we leave the surface of a body with mass and roam about in space, the effect of gravity vastly reduces. We can roam about almost freely in the 3 dimensions. What is the equivalent of this in the 4 dimensional space?
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