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re: Joe Rogan & a NASA astrophysicist talk about measuring time
Posted on 5/29/26 at 7:14 am to GRTiger
Posted on 5/29/26 at 7:14 am to GRTiger
quote:
If God is the light, then by the rules of physics, he does not experience time.
As we get closer and closer to pure energy (according to some dude named Einstein), the very nature of time changes. Our seconds don't matter, so what is 7 days at that point?
Posted on 5/29/26 at 7:31 am to mattz1122
quote:
Well I'm not the kind to live in the past
The years run too short and the days too fast
Sounds like an old school country song
Posted on 5/29/26 at 7:32 am to hawgfaninc
Time is a manifestation of whiteness.
Posted on 5/29/26 at 7:35 am to lostinbr
Distance is fricked too.
If you were to travel from Point A to Point B, technically you should never get to B. Let's say you're somewhere between both points headed towards B. Divide the remaining distance to travel by half and keep doing so as you arrive at that halfway point of what is left to travel. Repeat the process. You will never get there because you can't divide the remaining distance to 0 by splitting it in half.
Or how do we really "touch" something when no two pieces of matter can occupy the same space.
If you were to travel from Point A to Point B, technically you should never get to B. Let's say you're somewhere between both points headed towards B. Divide the remaining distance to travel by half and keep doing so as you arrive at that halfway point of what is left to travel. Repeat the process. You will never get there because you can't divide the remaining distance to 0 by splitting it in half.
Or how do we really "touch" something when no two pieces of matter can occupy the same space.
Posted on 5/29/26 at 7:47 am to jcaz
quote:
Time, or the perception of it, accelerates as you get older.
An interesting take I heard on this years ago goes something like this:
Part of our perception of time is based on our accumulated life experiences. The short version is that we subconsciously measure the passage of time against the amount of time we've already experienced. The more we've experienced, the faster it seems to go. Conversely, the less we've experienced, the longer time seems to take to pass as we're comparing that amount of time to the totality of our lifetime.
Think of it a bit like a backpack which you can squeeze ~80 years of experiences into.
At 10 years old, time crawls by. For the analogy, you're looking at your backpack and thinking you'll never possibly fill the whole thing. 5 years represents half of your accumulation and 20 years represents double of what you have today (and there will still be tons of room left).
At 60, time seems to have sped up. For the analogy, you're looking at your backpack and seeing only 25% of the space left. 5 years is only a small portion of your accumulation and by 20 years it will be full. Each moment of time is therefore smaller than what you're comparing it to than it was when you were 10.
Posted on 5/29/26 at 8:18 am to Dawgfanman
quote:
Since we are seeing the light from stars billions of years ago just reaching us, if we could instantly go to those stars and look back at earth, would we be seeing billions of years in the past?
Theoretically, yes.
Posted on 5/29/26 at 8:43 am to WylieTiger
quote:
Repeat the process. You will never get there because you can't divide the remaining distance to 0 by splitting it in half.
I’ve always kept that argument in my back pocket in case I ever have to go to court for being accused of hitting someone.
Posted on 5/29/26 at 8:45 am to hawgfaninc
Two idiots here. Einstein proved time is relative. Mass will freeze it.
Posted on 5/29/26 at 8:51 am to This GUN for HIRE
quote:
Better question is what happened to it? Did time and everything within it just go away? All the events of the past, what happened to them? They couldn't have just disappeared.
Where'd they/it all go?
Langoliers.
Posted on 5/29/26 at 9:05 am to hawgfaninc
quote:
“When we measure time what exactly are we measuring? When we create a clock that runs 24 hours per day what is it measuring?”
Here's my thoughts. We can't actually measure time to begin with. Clocks are just ticking along to a frequency and not actually attached to time.
When an object moves through space at close to the speed of light, and it appears to lose time, but I think it's a problem with the time measuring device actually being physically slowed down. And not actual time being slowed down. The speed provides a resistance to things moving, such as the clock hands (or atoms) , and not an actual slowing of time.
Posted on 5/29/26 at 9:44 am to jcaz
quote:
Gravity itself is a mindfrick. Why do these large balls of rock and gas have the ability to suck things in?
Gravity, being a "force" that "pulls" smaller objects towards larger ones, is what Newton and most people believed for a long time. Einstein says that gravity is not an invisible force like that, but rather an effect of space-time being warped by large masses.
Posted on 5/29/26 at 10:32 am to hawgfaninc
Rogan has done too many shrooms.
Posted on 5/29/26 at 11:00 am to WylieTiger
quote:
Divide the remaining distance to travel by half
But why?
Trying too hard.
Posted on 5/29/26 at 11:12 am to lostinbr
Nice!
I think best to view theoretical physics stand-alone (universal), separate from human perception (cognitive and proximal limits).
The human brain governs the human’s perception and experience with the theoretical physics. As well, it influences the theory itself.
Therein, I believe, is a “why” (art) in this beautiful design and what we are allowed to understand (science) that I think can only be explained by a greater power.
quote:
all of the chemical and electrical processes that formed my memory of walking down the hallway would reverse
I think best to view theoretical physics stand-alone (universal), separate from human perception (cognitive and proximal limits).
The human brain governs the human’s perception and experience with the theoretical physics. As well, it influences the theory itself.
Therein, I believe, is a “why” (art) in this beautiful design and what we are allowed to understand (science) that I think can only be explained by a greater power.
This post was edited on 5/29/26 at 11:13 am
Posted on 5/29/26 at 11:13 am to hawgfaninc
Ticking away the moments that make up a dull day
You fritter and waste the hours in an off hand way
Kicking around on a piece of ground in your home town
Waiting for someone or something to show you the way
Tired of lying in the sunshine staying home to watch the rain
You are young and life is long and there is time to kill today
And then one day you find ten years have got behind you
No one told you when to run, you missed the starting gun
And you run and you run to catch up with the sun, but it's
Sinking
And racing around to come up behind you again
The sun is the same in the relative way, but you're older
Shorter of breath and one day closer to death
Every year is getting shorter, never seem to find the time
Plans that either come to naught or half page of scribbled lines
Hanging on in quite desperation is the English way
The time is gone the song is over, thought I'd something more
To say
You fritter and waste the hours in an off hand way
Kicking around on a piece of ground in your home town
Waiting for someone or something to show you the way
Tired of lying in the sunshine staying home to watch the rain
You are young and life is long and there is time to kill today
And then one day you find ten years have got behind you
No one told you when to run, you missed the starting gun
And you run and you run to catch up with the sun, but it's
Sinking
And racing around to come up behind you again
The sun is the same in the relative way, but you're older
Shorter of breath and one day closer to death
Every year is getting shorter, never seem to find the time
Plans that either come to naught or half page of scribbled lines
Hanging on in quite desperation is the English way
The time is gone the song is over, thought I'd something more
To say
Posted on 5/29/26 at 11:22 am to AtticusOSullivan
quote:
Uhh the rotation of the earth based on the position of the sun? Is that not what we base time one? Help me out here
you're thinking too small
Posted on 5/29/26 at 12:09 pm to Smeg
quote:
Einstein says that gravity is not an invisible force like that, but rather an effect of space-time being warped by large masses.
This is likely the key to understanding the whole universe. Gravity/spacetime
Posted on 5/29/26 at 12:54 pm to Jim Rockford
Another one from Lex just dropped. I'm 45 minutes in, pretty good so far.
Posted on 5/29/26 at 1:08 pm to hawgfaninc
What is a clock measuring? The time the earth makes one full rotation.
The answer is no different than " when we measure distance.. what are we measuring?
The items of measure are fabricated by man over time. In the case of time, it's by angles and mathematics. Minutes and seconds existed before a mechanical clock did. Well before.
The action, or item, that is being measured with a clock is defined as one earth rotation.
I understand what he is trying to say, but he asked a complex question in a simple way. A clock measures the earth's rotation. As we stand here on it. Is that clock any good as you leave earth? Nope. It's a useless trinket then.
The answer is no different than " when we measure distance.. what are we measuring?
The items of measure are fabricated by man over time. In the case of time, it's by angles and mathematics. Minutes and seconds existed before a mechanical clock did. Well before.
The action, or item, that is being measured with a clock is defined as one earth rotation.
I understand what he is trying to say, but he asked a complex question in a simple way. A clock measures the earth's rotation. As we stand here on it. Is that clock any good as you leave earth? Nope. It's a useless trinket then.
This post was edited on 5/29/26 at 1:15 pm
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