If the universe is infinitely old, how did Today ever get here?

actually NOT wordplay. Relativity. My simplistic understanding of the paradox is that since the second person is in motion ergo time is moving differently for them (this is a known effect of relativity) that when the two simultaneously look at the "events" time will be different for them and the events will be different.

Seems to me wordplay in the sense that the "differences" are bound to be too slight to matter but in referencing the paradox they are made to seem to matter.
 
The origin of the universe erupting from a single point begs the question,
What was outside of that single point?

My casual suspicion (given in the context of minimal curiosity) ?
The rest of the single infinite universe is what.

What was the origin of that single point in the universe?
God?

What was the origin of a God that allegedly created this hideously flawed, rife with suffering universe,
from or not from a single point?

Do I benefit in any way from pondering it?
Doing so right now isn't soothing me in any way.

What would change my remaining days in a positive manner
is knowing what PowerBall number is coming up,
not the origin of a deity and its flawed universe.

My physical person responds positively to material benefits.
Not knowing the essence of others, I won't speak for them.

As for how Today got here,
it had no choice.

With or without any reference for unit of measurement,
time is simply an infinite progression.
There was something before everything.
There's something after everything.
We're not infinite and thus cannot experience anything that would offer explanation.
My view only, of course.
(Also thankful for not being infinite.)
Good questions
 
I don't think the question is an engineering question, and whether we can engineer a system where entropy does not increase.

Every cosmologist and physicist I've ever read says the universe has an arrow of time defined by the increase of entropy from a lower entropy past.

I've never heard anything about a cyclical cosmic entropy, though I appreciate you bringing it to my attention.
It could be a closed system where the energy moves around but isn't increased or decreased, just changed in form.

E = mc^2. Energy cannot be created or destroyed, but it can become matter or matter converted to energy...
 
I wouldn't say it's really man-made. A day is a tangible unit of time existing physically in this universe as defined by one 360 degree rotation of the earth around it's axis. But I was just using day as a colloquialism, the unit of time one chooses to use is arbitrary, as long as it has a uniform periodicity.
I'm more attuned to the philosophy poets than of philosophers. This one, for example:


What are days for?
Days are where we live.
They come, they wake us
Time and time over.
They are to be happy in:
Where can we live but days?

Ah, solving that question
Brings the priest and the doctor
In their long coats
Running over the fields.

Philip Larkin
 
I'm more attuned to the philosophy poets than of philosophers. This one, for example:


What are days for?
Days are where we live.
They come, they wake us
Time and time over.
They are to be happy in:
Where can we live but days?

Ah, solving that question
Brings the priest and the doctor
In their long coats
Running over the fields.

Philip Larkin
Nice. I try not to get caught up in the arrogance of strict scientific materialism. I don't think all knowledge comes from math, physics, and deductive logic. I learned as much from the Taoist poetry of Laozi as I did from my college calculus textbook.

One of my favorite Shakespeare lines is:

"There are more things in heaven and earth, Horatio, than are dreamt of in your philosophies."
 
It could be a closed system where the energy moves around but isn't increased or decreased, just changed in form.

E = mc^2. Energy cannot be created or destroyed, but it can become matter or matter converted to energy...
Interesting.
I don't think entropy is defined by the amount of energy. It's defined by the number of microstates, aka the arrangements of the particles in the system.

A closed system should almost always be evolving to a higher entropy, though in theory entropy could stay the same. I've never heard of this universe maintaining constant entropy. I don't even think life or a biosphere is possible at constant entropy.

It's widely accepted that this universe evolved from an initial low entropy state, to increasing entropy, and that's what gives us an arrow of time.
 

E = mc^2. Energy cannot be created or destroyed, but it can become matter or matter converted to energy...

Correct, the First Law of Thermo establishes this, but the Second Law is what is tripping up your explanation. In a closed system the entropy will not decrease. If it were to DECREASE it would require additional energy put into the system.

What you are repeatedly proposing is to decrease the entropy of a closed system which would violate the Second Law. Your proposal applies to the UNIVERSE which is pretty much a near perfect closed system. As such you will need to explain where the additional energy OUTSIDE OF THE UNIVERSE comes from.

Remember what the Second Law of Thermo states: that the entropy of a closed system is ONLY ever > 0. Seems your proposal has a serious problem.
 
Correct, the First Law of Thermo establishes this, but the Second Law is what is tripping up your explanation. In a closed system the entropy will not decrease. If it were to DECREASE it would require additional energy put into the system.

What you are repeatedly proposing is to decrease the entropy of a closed system which would violate the Second Law. Your proposal applies to the UNIVERSE which is pretty much a near perfect closed system. As such you will need to explain where the additional energy OUTSIDE OF THE UNIVERSE comes from.

Remember what the Second Law of Thermo states: that the entropy of a closed system is ONLY ever > 0. Seems your proposal has a serious problem.
In an infinite system this doesn't happen, or at least doesn't appear to happen. In systems observable on Earth, yes that's correct.

In an infinite system, there is nowhere for the energy to be lost to. Instead, it simply moves somewhere else within the closed system. In other words, the system is large enough that there's constant randomness.
 

In an infinite system this doesn't happen, or at least doesn't appear to happen. In systems observable on Earth, yes that's correct.

In an infinite system, there is nowhere for the energy to be lost to. Instead, it simply moves somewhere else within the closed system. In other words, the system is large enough that there's constant randomness.

Again, what you seem to be proposing is the antithesis of the Second Law of Thermodynamics. There's literally no other way to characterize your position.
 
Again, what you seem to be proposing is the antithesis of the Second Law of Thermodynamics. There's literally no other way to characterize your position.
It requires an infinite system, something the second law of Thermodynamics doesn't account for.

While I'm no expert in this, I was given a smattering of introduction to infinite systems in college and the Navy nuclear power program




I don't think we know enough about the nature of the universe yet to know for sure how it works and why.
 
Then it should be easy for you to explain exactly how we went through an infinite amount of days in order to get to today.
Days are defined by revolution of earth around sun. It took billions of years for there even to be our solar system.
 
Days are defined by revolution of earth around sun. It took billions of years for there even to be our solar system.
Use any arbitrary unit of time you want, and explain precisely how we managed to pass through an infinite amount time units in order to arrive at today.
 
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