Time & Entropy: Deeper Meaning, Equations & References

The arrow of time is the direction of increasing entropy in the universe. This is known as the 2nd law of thermodynamics. In summary, there is a deep relationship between time and entropy, with time being the direction of increasing entropy. Further understanding of this relationship can be gained by studying the "arrow of time" and the 2nd law of thermodynamics, and by watching lectures such as Richard Feynman's "The Distinction of Past and Future."
  • #1
Arman777
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Whats the deepest relationsheep between time and Entropy.Equations their meanings and stuff...Any referances,ideas would be helpfull.Thanks
 
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  • #2
Are you asking about the "arrow of time" and the 2nd law of thermodynamics? If so, what have you studied so far?

Also, if you look at the bottom of this page, you will see links to several PF threads discussing this topic.
 
  • #3
anorlunda said:
Are you asking about the "arrow of time" and the 2nd law of thermodynamics? If so, what have you studied so far?

Also, if you look at the bottom of this page, you will see links to several PF threads discussing this topic.

The time.Just time and entrophy.Like particles motion and time, the connection between them.

Why with time entropy increases ?
 
  • #4
Nobody knows. That's just how it is.
 
  • #5
Arman777 said:
The time.Just time and entrophy.Like particles motion and time, the connection between them.

Why with time entropy increases ?

Try watching this:

http://www.cornell.edu/video/richard-feynman-messenger-lecture-5-distinction-past-future
 
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  • #6
PeroK said:
Try watching this:

http://www.cornell.edu/video/richard-feynman-messenger-lecture-5-distinction-past-future

Thanks a lot
 
  • #7
From an engineering standpoint, entropy is unrecoverable waste heat.
 

FAQ: Time & Entropy: Deeper Meaning, Equations & References

1. What is the concept of time and entropy?

The concept of time and entropy is closely related to the second law of thermodynamics, which states that the total entropy (or disorder) of a closed system will always increase over time. Time is a fundamental dimension in which events occur and entropy is a measure of the randomness or disorder within a system.

2. How does the concept of entropy relate to the arrow of time?

The arrow of time, or the direction in which time flows, is closely connected to the concept of entropy. Entropy increases in the direction of the arrow of time, meaning that systems tend to become more disordered and chaotic as time progresses.

3. What are some important equations related to time and entropy?

One of the most well-known equations related to time and entropy is the second law of thermodynamics, which states that ΔS ≥ 0 (the change in entropy is greater than or equal to 0). Another important equation is the Boltzmann equation, which relates the entropy of a system to the number of possible microstates it can occupy.

4. Can you provide real-world examples of time and entropy?

One example is the cooling of a hot cup of coffee. As time passes, the hot coffee will cool down and reach room temperature. This process can be explained by the increase in entropy as the hot molecules spread out and become more disordered.

5. How does the concept of time and entropy tie into the concept of the universe's ultimate fate?

The concept of time and entropy plays a crucial role in determining the ultimate fate of the universe. According to the theory of thermodynamic equilibrium, the universe will eventually reach a state of maximum entropy, also known as "heat death," where all energy is evenly distributed and no work can be done. This is often described as the end of time, as all events will cease to occur.

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