Does the 4 that dimension even Exist?
Does the past still exist??
what do you think on Theory of space-time Given by Einstein?
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Explanation:
Einstein proposed that the universe is curved. It is like our Earth where the surface is our 3 dimensional world and the other dimension(depth of the Earth, in this case), is the 4th dimension which we cannot perceive.
If we want to specify an event that took place in our universe, we don't just need the 3 coordinates. We also need the time when it took place because it is possible that in past, an another event took place. Hence, the fourth dimension is called time. The three dimensions are called space. So, our universe is space-time unlike just space that we 3 dimensional beings perceive.
Watch Interstellar to understand about the fifth dimension which is gravity.
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