Exploring the Effects of Space-Time Fabric Elasticity on Time Flow

In summary, time does not flow in a space-time representation and the whole space-time object is a static object. Gravitational time dilation is based on the difference in gravitational potential and not the curvature. Two things that affect the observed passage of time are relative speeds and gravitational potential, and other factors such as energy, pressure, and momentum also have gravitational effects. The Einstein stress energy momentum tensor is the mathematical source of curvature.
  • #1
nouveau_riche
253
0
if i consider space time to b a fabric as considered by einstein then expansion of this fabric leads in two direction
1-if the fabric has high elasticity then the curvature of space caused by the a massive object will keep on increasing,thus the flow of time will be faster and faster
2-if the fabric has low elasticity then the curvature will keep on decreasing thus the flow of time will be slow

which one is correct?
 
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  • #2
Time does not flow in a space-time representation. It is a 'static' dimension like space, and the whole space-time object is a static object. Nothing goes anywhere, and nothing changes. All the going and changing has been done and can be inspected baked into the finished loaf.

That's the way I understand it, anyway.
 
  • #3
Please don't use text-speak on PF. You're on the wrong track because your question assumes an overly literal interpretation of the rubber-sheet metaphor. Gravitational time dilation in GR depends on the difference in gravitational potential, not the curvature. Example: http://en.wikipedia.org/wiki/Pound-Rebka_experiment
 
  • #4
Space and time ARE variable; that is, they are not static and fixed as Newton presupposed. Only the speed of light is fixed for all inertial observers. So things are not as they superficially appear!

Two things affect the observed passage of time: relative speeds and gravitational potential.

There is a nice brief summary of gravitational time dilation here:

http://en.wikipedia.org/wiki/Gravitational_time_dilation

You can read about length contraction and time dilation here:

http://en.wikipedia.org/wiki/Special_relativity

Mass is not the only thing that has gravitational affects: energy (like radiation), pressure, momentum also affect gravitational attraction...as compiled in the Einstein stress energy momentum tensor which is the actual mathematical source of curvature.
 
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FAQ: Exploring the Effects of Space-Time Fabric Elasticity on Time Flow

What is space-time fabric elasticity?

Space-time fabric elasticity is a concept in theoretical physics that suggests space and time are interconnected and can be stretched or compressed by the presence of massive objects. It is a key component of Einstein's theory of general relativity.

How does space-time fabric elasticity affect time flow?

According to the theory of general relativity, the presence of a massive object can cause space-time to curve, which in turn affects the flow of time. This means that time can pass at different rates depending on the strength of the gravitational field in a particular area.

Can we observe the effects of space-time fabric elasticity on time flow?

Yes, there have been several experiments conducted that support the theory of general relativity and the effects of space-time fabric elasticity on time flow. One famous example is the observation of gravitational time dilation, where time appears to slow down near massive objects such as black holes.

How does space-time fabric elasticity impact our daily lives?

While the effects of space-time fabric elasticity may seem abstract and only relevant in the realm of theoretical physics, it actually plays a crucial role in our daily lives. GPS technology, for example, relies on the precise measurement of time and takes into account the differences in time flow caused by space-time fabric elasticity.

Are there any practical applications of studying space-time fabric elasticity?

Studying space-time fabric elasticity can lead to a better understanding of the universe and how it works. It can also potentially lead to advancements in technology, such as developing more accurate GPS systems or discovering new ways to manipulate space and time for space travel.

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