All Questions
Tagged with time spacetime-dimensions
48
questions
-1
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86
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Multiple time dimensions in the eternal inflation model
From a lecture by Prof. Kaiser, I reckoned that according to the Eternal Inflation model, it is possible that all of the 10500 topologies posited by string theory could exist somewhere in the region ...
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1
answer
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What is the problem with two time dimensions? [duplicate]
I am reading a book "General relativity: The theoretical minimum" by Leonard Suskind.
In page 168-169, the author explains the reason why we don't consider the case with two time dimensions ...
- 311
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0
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74
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Why can't the metric have more than one timelike coordinate? [duplicate]
In one of his lectures, L Susskind stated that he cannot make sense of a metric with more than one timelike dimension. I also have trouble imagining it, but is there a good mathematical or physical ...
- 795
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How does the lifetime and temperature of a black hole scale with mass in higher dimenstions?
I've tried to find out how the lifetime and temperature of a black hole scale with mass in a universe with more then 3 spatial dimensions. I've spent a while trying to look up an answer to this ...
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3
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Lack of independence between the spatial dimensions and time within space-time
I am having a conceptual difficulty understanding the following issue regarding space-time: it is clear to me why a full description of coordinates requires three spatial dimensions plus time. However,...
- 131
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Can you experience multiple points in time at a specific point in time? [closed]
So from my understanding, light takes time to travel to our eyes. So everything we see is from the past, right? So does that mean that at a specific point in time, we are seeing simultaneously a point ...
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What's the purpose of a second dimension of time in physics in layman terms?
What's the purpose of a second dimension of time in physics in layman terms?
From Wikipedia:
Speculative theories with more than one time dimension have been
explored in physics. The additional ...
- 791
1
vote
4
answers
489
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Block universe theory [closed]
How to make sense of change in static block universe if every event already exist in block? if you say it's an illusion created by brain even that requires forward evolution of patterns of information ...
user279608
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The block universe theory
i watched a video on YouTube https://www.youtube.com/watch?v=_A7wk40AeiI regarding the block universe where brian greene seem to be saying we live "forever" (i am probably misinterpreting ...
user279419
-1
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1
answer
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Can there be a multiple dimension of time? [duplicate]
Multiple dimensions of space makes sense.
We can understand multiple dimensions of space by lines ,planes,spaces etc.
But what does a 2-D time,3-D time etc means.
Visualizing time as a line makes ...
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Can time be just another spatial dimension which the universe travels through with a particular direction and constant velocity?
Is it possible that time is not a 'time-like' dimension, but a proper spatial dimension just like the others but we only have access to a 3D cross-section of it?
I did some research about the internet ...
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Second dominate phenomenon to effect the speed of time? [closed]
Part of Einstein's Theory Of Relativity is that the faster an object and/or person moves through space, the slower they move through time.
What other phenomenon could potentially effect the passage ...
- 111
1
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2
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285
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How we can measure speed with time, when the rate at which time passes depends on speed?
I was thinking about relativity, specifically about how we travel at the speed of light in 4 dimensions. The higher one’s velocity in space, the lower one’s velocity in time. Inversely, the lower one’...
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Is Time a container of Space, or separate from Space? [duplicate]
Those of you more learned than me in this topic, please bear with me here. Hopefully it presents an interesting and enlightening discussion for those of us who are just readers of science and may ...
4
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2
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362
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Spatial and temporal dimensions orthogonality
It seems that the spatial dimensions are orthogonal: a particle can move along one axis without changing its position in relation to other two axes.
It seems that the temporal dimension is somewhat ...
