Do most physicists believe time flows?

In summary, the conversation revolves around the question of whether time is real and if it flows or if it is simply a perception. The various theories of eternalism, presentism, and the growing block universe are mentioned as possible explanations. The discussion also touches on the concept of time crystals and any potential impact on the understanding of time's flow. It is noted that this is a philosophical topic and not a subject for debate among physicists.
  • #1
eiyaz
41
0
I am not asking the question as to whether or not time is real, I am asking the question as to whether or not time flows as in does physics favor:

https://en.wikipedia.org/wiki/Eternalism_(philosophy_of_time)

OR

https://en.wikipedia.org/wiki/Philosophical_presentism

OR

https://en.wikipedia.org/wiki/Growing_block_universe

So are two different points in time both equally real? Or is time's flows just how we perceive it?

Also can time crystals exist if time didn't flow?

Is there a general consensus among physicists or are they divide on this?
 
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  • #2
We avoid philosophical discussion here, so we will close this thread. However, if anyone has a good reference to an opinion poll on the subject, then please send me a PM and we will open it for that.
 

1. Do most physicists believe time is a real physical entity?

Yes, the majority of physicists believe that time is a real physical entity that can be measured and studied in the same way as other physical quantities such as mass or energy.

2. Is time considered to be a fundamental property of the universe?

Yes, time is considered to be a fundamental property of the universe by most physicists. It is a fundamental aspect of our understanding of the world and is essential in many areas of physics, such as relativity and quantum mechanics.

3. Is time considered to be linear or cyclical?

The concept of time is a subject of ongoing debate and there is no consensus among physicists. Some theories suggest that time is linear, meaning it moves in a straight line from past to present to future. Others propose that time is cyclical, meaning it repeats in a never-ending loop.

4. Can time be manipulated or controlled?

There is currently no scientific evidence to suggest that time can be manipulated or controlled. However, some theories, such as time travel, propose that it may be possible to manipulate time in the future through advanced technologies or theories that are yet to be discovered.

5. How do physicists measure time?

Physicists measure time using a variety of tools and techniques, depending on the level of precision required. The most common method is using clocks, which are calibrated based on the regular vibrations of a specific atom. Other methods include measuring the speed of light or using the decay rates of radioactive materials.

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