How Does Time Really Work?
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- čas přidán 26. 04. 2024
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Written by Colin Stuart
Check out his fantastic astronomy newsletter here: colinstuart.substack.com
Edited and Animated by the legendary Manuel Rubio - subscribe at @ArtandContext
Narrated by David Kelly
Thumbnail art by Ettore Mazza: ettore.mazz...
Sound Editing by Craig Stevenson
Whale Art by Joseph Ioseliani
Galaxies, space videos from NASA, ESA and ESO.
Music from Epidemic Sound, Artlist, Silver Maple And Yehezkel Raz.
Stock footage from Videoblocks, Artgrid and Shutterstock.
00:00 Introduction
04:54 How Soon Is Now?
18:08 Where Is Now?
31:16 When Is Now?
43:25 The Illusion of Now
#time
Get a great Displate deal at www.displate.com/hotu or my discount code HOTU for 1-2 = 22% OFF/3+ 33% OFF, available for a limited period of time, excl. Limited Editions and Lumino. Discount applied automatically when using link.
The now same as zero not exist - just show me zero - yes there is 0.000001 but I will add one zero for endless time so you will never reach zero. The now is... time stop which means not exist.
Objective now does not exist only in relativity. Theories like Einstein's can sometimes create an illusion of false reality based on unfalsifiable experiments. Because our knowledge is rooted in these false maps of reality, we cannot comprehend the gap between quantum mechanics and relativity.
I was going to use the discount code but they currently have a spring sale ending in a couple days that is slightly better 😥
9@@classicalmechanic8914
The problem is how speed is measured. It is measurement problem. 186000 miles/second. This per second/minute/hour/days/weeks/years is the problem. Distance we travel, we can see the for example 100 meter dash run, but TIME! Is so subjective ill defined.
Until we know what is time, how we define time, we may never know light properties.
May AGI will guide us soon 😅
"human intuition is no yardstick for the way the universe really works" I really wish more people could accept this
Or better still , consider it
I heard something similar
"Universe has no obligation to be comprehensible to our primate brain evolved for hunting and gathering"
Being human is a possibility to beyond but how many willing to break down the boundaries they built themselves.
We are embedded in a situation of massive cultural inertia
in which obsolete ideas echo down the generations
and even though it's been two thousand years
since humanity became conscious
the majority still find magic to be
the more satisfying explanation.
Human mental-vital intuition that is.
Now. You're looking at now, sir. Everything that happens now, is happening now.
Dark Helmet: What happened to then?
Colonel Sandurz: We passed then.
Dark Helmet: When?
Colonel Sandurz: Just now. We're at now now.
Dark Helmet: Go back to then.
Colonel Sandurz: When?
Dark Helmet: Now.
Colonel Sandurz: Now?
Dark Helmet: Now.
Colonel Sandurz: I can't.
Dark Helmet: Why?
Colonel Sandurz: We missed it.
Dark Helmet: When?
Colonel Sandurz: Just now.
Dark Helmet: When will then be now?
Colonel Sandurz: Soon.
Dark Helmet: How soon?
Spaceballs forever 🙌
I immediately thought of this scene when I saw the title!
Dammit, beat me to it!
You, kind sir.. Win the Internet for today... 🤣🤣🤣🤣
😂 I haven't seen the film but even that made me crack up.... Must be a good film.
These videos are probably my most highly anticipated of any on CZcams
cool
These videos are so high quality, better than professional TV content.
I know, right?
I wait all month for a new episode- checking for the "alert" bell every morning. Re- watching so many past episodes and then.... At Last!
A brand new HoTU. The pure joy of learning.
It sucks, they bored me to death...
Agree.
What does space taste like?
Immediately I get the picture of my dog, head out the window, tongue out, just enjoying being alive while I drive.
It tastes like chicken. Apparently.
Dogs are the purest souls and we really don't deserve them 🙏
Disgusting mental image.
@@MrScoffins
Yes. But they don't taste like chicken.
Astronauts have said that for a short time after doing a space walk they can smell the suits and apparently its like burned sparklers.
YES!!! When I see a new upload from this channel, I get so happy. I used to be happy and excited about life when I was studying physics in college. Taught high school physics after that and had so much fun with my classes. Unfortunately, the reality of low teacher pay, new family on the way, and my other option to make more than double if I work with computers, I went back to my tech job. Now I am almost always depressed, feel like there is no hope and nothing to look forward to in life any more.
That being said, whenever I see these videos it takes me back to my happy place. Thanks for all the effort you guys put in to put these out. They mean the world to some of us.
Damn that's a sad story! Forget what is now; what more can I say? Money and world order really sucks..
Can you teach at a higher level, like at a bustling university, sometimes part time instruction is needed which can pay well enough to fit in some part time teaching. Even offering tutoring can help fill that desire to teach? Even when I did teach there were special needs students that need additional help and can be very exciting to see how you can reach them and help them along. I am fearful that this next generation is really going to be a struggle with the necessary people interaction skills.
My past self has been waiting for this video. My future self has rewatched it multiple times. "Now" I finally get my hands on it!!
This man’s videos kept me going for a while, wasn’t getting out much, wasn’t doing well but these videos ground me….now I’m over a year sober and enjoy these videos more than ever! Thank god for the educational CZcams
Thanks for sharing, brother. I am in the exact same space. We will do this. Have to - I don’t have one more in me.
I’ve been consuming these documentaries to keep my mind occupied at the same time as it is healing, both psychologically and especially physically.
I'm sober but have lost all faith in people.
Still one of the best channels on you tube . Cosmology , physics , geology , mythology , history , and great storytelling all rolled up in one .
It's child level stuff. Very disappointing.
@@buddyhell7100 then why you watchin bro ?
Agreed!!
You forgot p*rn
I am so excited to watch this every night for a month straight
Glad I'm not alone
Samesies fam 🙋🏻♂️
Lmfao literally loading this up now to sleep to
the "universe should not exist" one is the GOAT but i am rly looking forward to this one as well
Lol. Go have a doobie😅
As a Welsh person, I'll tell you that now is in a minute. As we all say, "I'll be there now in a minute" 👍
us greeks say that as well! 😂
@@inkynebula 😄👌
Ahem....
As also a fellow Welshman you forgot the butt/mush/brah off the end 😎🤣
@@inkynebula In Portuguese we use "agorinha" ("little now") and "agora agora" ("now now") for that 😅
I was just watching a new Michael fassbender movie called trespass against us, it seemed like he was playing sort of a blue-collar Welshman character. he kept calling his friends and children mush? I guess that is a term of endearment can one of you explain that to me just a little bit?
Holy crap. You took something I thought was obvious and explored phenomena that I had never considered. You did a great job. Thanks.
new sleep video dropped
I thought I was the only one
@@akutuominen5062 not alone
Have you guys seen Sam Sulek?
Sleep video??? Nah you’re buggin’ I’m awake for any video on this channel lol
This is so true, I want to watch it but it honestly just puts me to sleep
I had the itch to watch a new history of the universe banger and saw a new video uploaded a minute ago, awesome, thanks for the bangers
Almost all at once when you think about it, but one frame at a time when documenting it.
so well written and put together, massive props to your channels theyre all so awe inspiring
"as it seems to you or I"???
Precise -- but different and incorrect -- ages of the Universe.
A fine meal spoiled by the little bits of dog shit on the plate.
Somebody did some excellent work on the graphics. It's a pity for them to see their good work ruined by this pretentious gaseous verbiage.
The section towards the end would be even better to include how the "Brain makes decisions before you even know it" - published in Nature on April 11, 2008. Brain activity predicts decisions up to 10 seconds before they are consciously made! This directly impacts our sense of having free will - actions that we take are set in our brain - and can be predicted by instruments - before we are aware we “decide” to take that action.
That was amazing. NOW I'm going to watch this episode over and over, like all of the others.
Best practical explanation of a light cone I’ve heard so far. Really helped me better grasp concept
Found this channel only a few weeks ago. Super stoked for my first release.
Your videos are amazing. One of my very favourite you tubers. Thank you so much for opening my mind. 😊
Ooooh a new video on this channel. Can’t WAIT to listen!
New History of the Universe? I pack a bowl and click.
Saaaameeeee
Your videos are my favorite thing on CZcams. Absolute excellence.
Excellent writting and delivery
I stay in awe imagining each little analogy, metaphor and fantasies you people create
Thank you
Here's one for the algorithm. Thanks for blowing my mind on a regular basis!
I absolutely love the history of the universe and earth you’ve done. Fantastic content as always.
have you checked out their History of Humankind channel? it's fairly new..
Agreed!
Been waiting ages!! Worth the wait though thanks for all you do.
Recently, I've had dreams with Cosmic Whales...
And some time ago I did a drawing called : "The Nano Second Before The Awakening"...
I been waiting for this!!! I can now put this on in the background while I fall off to sleep
I've been waiting for this
Love these videos thank you ❤
This Channel is amazing!!! Thanks a million!
Another awesome and enlightening video! Thank you !
I'm left with a question. When you die, your brain neuro pathways fire slower as you become brain dead. So, will our perception of time when we die slow down to an infinite perception on the last neuro event? I think I now believe in an infinite after-life, stuck in time, re-living my brain's last chemical burst of nirvana... forever.
Your 3 channels are some of my favourites. I always watch them more than once. Just fantastic. Idea for a 4th channel: The Entire History of Civilisation. I’d love your take on it. Or will it be part of your humankind vids.
(Will and Ariel Durants series ‘ The Story of Civilisation’ are my favourite books.)
Love the topic. One that i come back to often. Great video.
HOLY SHEET WHERES MY WEED?
Here we go 😎
Don't smoke 💀
@@BalthazarMaignan loading one up just for you brother
I love you guys.I will probably listen to this at least sixty times before you post a new one.
This was amazing!❤
What a great way to present such a mind-boggling topic!! VERY WELL DONE
Uploaded right before bed time. Thank you, History of the Universe, tonight will be a great sleep.
26:53 Never say "move through space", as it implies you can (it doesn't mean anything, nada, zip, nothing) there is no absolute rest frame and your are never moving relative to or through space. This is a great way to trip up students of special realtivity.
That's very odd. I've always considered one of your points to be absolutely true. There is no "absolute rest frame", I say it differently though "nothing is ever sitting still". I think i like you're way best. Thanks.
Your other point seems contradictory though since everything is always moving I belive there is only "moving through space" always and for ever. 😂😅😉
You don't get invited to a lot of parties, do you?
I understand stand your point that movement is relative to some fixed point, but if you’re moving really, really fast, faster than most other points of reference, don’t you accomplish this by ‘moving through space?’
@ronjon7942 Hi Ron :)
To your question I say Yes.
Keeping on mind that no point is fixed (everything is in constant motion), we move through space relative to some other moving point/s not a fixed or stationary point since there is no such thing as a fixed or stationary point. 😃
"Now is as close as Never and as infinite as Forever, embrace today."
Some argue that “now” is the only time that truly exists, as the past is gone and the future is not yet here. Others suggest that time is an illusion, and everything is happening simultaneously, with our brains processing events as if they were occurring in a continuous sequence2.
One doesn't need to argue as you can conceptualize time in different phenomena. One would be "Clock Time". Another would be "Psychological Time." Add if necessary.
All simultaneously, in my opinion. Everything that was and will be is all happening at once on the same plane. Our limited human brain sequences the movement of the universe in what we consider "chronological order" but from the beginning to the end is all one....imo
@@RealDonfromBroward It is weird the dilation of time that happens around consciousness or observation, there is nothing else, for 14. Something billion years and then the superposition of all the states of every piece of matter collapses with an observer.
Just absolutely screeches to a halt so we can all have a snail race of consciousness trying to use the stream of absolutely bonkers information to output something useful to continue existing in what it sees as a valid state of now.
When every one of us dies our lightcone of possible positions stretches out into infinity, instantly taking the memory of its position as a human of earth into the end of time.
If now never ends, it's infinitely long, if now ends, it's like if never happened at all, in both cases it's not measurable
Everything that ends can be measured
@@boyzinthewood1 Then from that point of view, now is the units of time measured from the beginning till the end, what I meant to say is that if now had no observers, it would be like if there isn't now and it never was
@@odysseus8944 fair enough, that does make sense 👍
It's always now. There is no time that ever existed that wasn't.
@iunnox666 I'm sorry but nope! Not at all. Although every point in time was once "now" it immediately becomes past tense and can literally no longer be classed as now. You've described a contradiction.
So amazing! Thank you
On Star Trek TOS ... In the famous "Tribbles" episode we hear between Spock and Chekov ...
... "Close enough to smell them" and "That is illogical, ensign. Odors cannot travel through the vacuum of space"
I didn't think it was possible for space to smell like anything??? :(
"Even CZcams videos is still surging towards them at 300,000 km per second". My first thought was this is a cool thought, but then I realized we're also transmitting TikTok videos to the cosmos at the same rate. We're doomed.
😂
This makes me wonder how differently aliens would perceive time and how greatly that would interfere with our communication with them. Because most of our methods of communication rely on our perception of time
That's the plot of the movie Arrival. Well worth a watch if you like that kind of thing.
Some angels once left their dimension to enter ours, they had no problem dealing with our 3 dimensional worlds 4th dimension. They came to mate with the women of our dimension and did so. IDK If you will consider the forthcoming children aliens or not but they had no issue with time either. This information comes from the book of Genesis with a few refraneses in other books of the Bible.
As for space aliens originating from within our own dimension I have 0 credible information to offer you my friend 😢
As for those particular aliens mentioned above they are locked away for now but the children they produced appear to have become what today are known as Demons and very likely present themselves as space aliens among other cleaver cons they do so love to run on us humans. Be careful dealing with any claims of space aliens, They not all as friendly as they may claim to be. 😮
40:26 every time you do a pause like this I have to check and see if the video is over. You got me every time.
This video is absolutely amazing!
Thank you!!!!!
THANK YOU! Your items ALWAS provide "food for thought" in a world in which the mass media offers us ever-shrinking portions of INFORMATION and mental stimulation simply because it is geared towards "dumbing us down!" Look forward to your next project/item. Keep Well!!
Always a great content on every episode 👏👏👏
Just fantastic, like all the episodes on the channel. Please keep on existing!
This one was awesome! Like all the rest from this channel.
Jumped on 19 seconds into “now.”
That is the measurement of a now
There’s not a channel out there that brings me this level of excitement when a new video comes out!
explore more! many many channels will make you think. Some can even teach.
I wish all your other video animations were like this. Great Job Mr Manuel
I was looking for one of your videos. But I forgot the name of your channel. Must be the destiny I found this video. Your vidoes help me fall a sleep. Thank you for your videos.
Awesome new vid time !!!!! Love your work.
Ok, so this is what Morrissey was so stressed out about…
This channel is simply incredible
This was absolutely wonderful to watch through, nice job.
Another great video by arguably one of the best educational channels on CZcams!
Arguably? Care to elaborate 😂😜😉
@@donnyjeppI mean, there's History of the Earth and History of Mankind, both solid contenders!
True fans in attendance ❤
@@k7crusaderwtf
Correct
Gate keepers unite! Phuque wads....
Hoody-hooooo 🎉🎉
@@k7crusaderyou can't even spell anal? You must not love it that much
Finally. 😂 Appreciate your work. Just wish there could be more. Felt like such a long wait!
now, wait a minute. Now! lol
Excellent! Great audio script!
I'm so immensely grateful for this channel! Thank you, sincerely!
Your videos are always gorgeous, well written and perfectly narrated. Thank You for making my evening!
This video is living proof that the quality of the best youtube videos now far outclasses anything to be found on regular TV channels, which have become even more dire in recent years than before.
The section on Entropy was deeply satisfying. Thanks HOTU.
I feel guilty watching these amazing videos for Free…
I would pay to have them all available add-free.
(this is the only CZcams channel that clears that bar)
CZcams premium is a thing.... @@cabanford
I pay for yt premium...no ads
@cabanford do you know melodysheep? That channel definitely passes the bar for me too
General relativity and quantum mechanics will never be combined until we realize that they take place at different moments in time. Because causality has a speed limit (c) every point in space where you observe it from will be the closest to the present moment. When we look out into the universe, we see the past which is made of particles (GR). When we try to look at smaller and smaller sizes and distances, we are actually looking closer and closer to the present moment (QM). The wave property of particles appears when we start looking into the future of that particle. It is a probability wave because the future is probabilistic. Wave function collapse is what we perceive as the present moment and is what divides the past from the future. GR is making measurements in the observed past and therefore, predictable. QM is attempting to make measurements of the unobserved future and therefore, unpredictable.
Good one. I had figured QM and GR cannot be ocmbined because QM is quantum and gravity is not. Gravity is generated/ Spacetime is curved as a resolutionless spline between quantum units of mass. I also do not believe a theory of QG will ever be formulated.
Some very interesting points you made there
Additionally, the random nature of quantum fluctuations is what gives us biological organisms our capacity for making choices, or the illusion of free will. Maybe it's better to say that the randomness prevents us in any case from predicting an accurate future. It hides our inescapable fate in a forest of fates.
bro you comment this on every video
@@bowenheinrich lol yup. And I won’t stop until someone can explain to me why it’s wrong.
Some mind-blowing stuff there - excellence continues in this series.
That's amazing way of explaining "now" using a pigeon in that way .
This is why I get flustered in my head when people ask me what time it is. In my head, I’m saying “well, it USED to be 13:45:32;05 but now it isn’t anymore. I can check again for an update though”
You can`t give an answer withouth looking at your Watch therefore the Question "what time it is" already asks for a future time which is the time they hear your answer and because time went on after you looked at your watch and comunicated it, it is in the past. So they ask for a future time which is in the past as soon as you tell them the time, i can see why this makes you flustered. The solution is to allways round up since no one asks about seconds anyway.
There it is. I was eagerly waiting and I've postponed my shower session to watch this 😂
These scientific essays make me philosophical about my life and the meaning of it all. Keep em coming 🤌
I was just pondering the when and where of now - and here is a video from my fave creator!
To everyone here, I implore you with all my heart to check out RUSH's song, "The Garden."
"The future disappears into memory, with only a moment between. Forever dwells in that moment. Hope is what remains to be seen."
I love rush but have never heard that one, what a great song.
Thanks! I am doing that now🙏
Wow ! Such profundity ! Basically ; word salad . A series of words which , when analysed , actually turn out to be meaningless drivel.
Similar to Alan Watts Buddhist shtick ?!
46:37 interesting. i have a background in animation and immediately picked up on the lag, as it's something i've been trained to compensate for. in this situation I would fix it by making the flash happen a fraction of a second before the red square reached the center position. i saw the illusion but still interpreted it correctly based on past experiences, like a baseball player swinging at a ball. i wonder what other illusions we can train ourselves to interpret differently than how our eyes/brain sees them.
I was looking for a comment like this but it’s not as common as I thought it would be. Except I have a background playing sports at a high level, and on top of that did you see it a little behind or perfectly in line with red cube?
@@nickolaiemde9576 @nickolaiemde9576 I cant say for 100% sure what I actually saw in the moment because the brain likes to fill in our memories with "corrected" versions of events for stuff like this, but I remember seeing it perfectly in line for 1 frame and then slightly behind in the next frame, just enough for me to tell that both squares weren't moving in sync, before it disappeared. I have no idea how many frames the flash was actually on screen, though, and the second frame could have just been my brain lagging to process information and making an afterimage. What did you see?
That was brilliantly well explained.. Even if NOW isn't what we'd hoped it is.
Probably the best science channel on CZcams... Excellent!
OMG.... OMG!!!! I am hyper ventilating!!!!!!! its here its here!!!!! (quickly goes to get a beverage, turn down the lights, and prepare the viewing area for whats sure to be a transcendental view)
- What is now?
- The current moment.
- This one?
- No, this one.
- This one?
- No, this one.
Repeat ∞
Hell yeah I’ve BEEN waiting for a new video to drop
This is one of the few channels I regularly check for new content.
My absoloute favourite thing on CZcams.
And this episode is a mind bender.
Thank you, History of the Universe.❤
This was phenomenal. Somehow these videos are getting even better 😵💫 🤯
Loved it! Thank you!
A masterpiece, as usual.
Thanks for that unique quality!
But I do have a question :
Did you change the microphone or something?
Or did you had a cold or something that could alter your such beautiful voice?
Thanks for entertaining thought provoking video. @ 24 minute mark you're wrapping up the either - photon experiment. Two questions for ya on that....
1. In all of these years since, has no one noticed or mentioned that every single piece of equipment used is moving at the same speed in the same direction through the same medium regardless of what that medium was allegedly made of?
I explain; it is not the case that only one target moved and therefore one photon traveled farther (through more either even if there was an either). Both photos traveled exactly the same distance in exactly the same time. Conclusion: with or without any either, (as well as with or without any constancy of light speed i might add) the result is exactly as should be expected. Everyone is obviously aware that whatever time was lost chasing that target that's moving away from the mirror is recovered on the return trip to the mirror witch is now racing tward the photon as it returns, aren't they, it's not obvious? Simplified.. if all involved equipment (including the photons) is/are moving in the same direction and speed it's exactly the same as the entire experiment being done sitting still. Just like the boy bouncing a ball while riding in a train, he doesn't need to run 60 miles an hour to catch up to the ball in order to hit it each time because evening (including himself) is equally affected under equal forces. ( a closed or controlled environment where ALL relevant "factors?"are under the same influences)
2. Right?
Take the previous example, have the sailor hit 2 balls at the same time, bounce each ball off of (oh i dint know let's say) 5 targets all at equal distance and in the same directions. 😂 both balls still hit the ocean at the same time regardless of weather there is any either or constancy law governing the movement of golf balls present.
Please don't just tell me I'm wrong. I really need to know where I'm wrong, I'd love to hear why and be able to agree with brilliant minds who obviously are buying into this very old conclusion. It's frustrating to see things in this field as simply obviously misguided conclusions. So please help if you understand my position but disagree because, I'm fairly convinced of my observations and the conclusions I've drawn.
love the futurama reference at the start
YESS IVE BEEN WAITING FOR A NEW ONE
Truly exceptional❕
Seems like the longest time waiting for this new episode to come out but while watching it time flies by 😀
Awesome video, as always! But I noticed something: in the animation of the Mickelson Interferometer at 22:53, isn't the beam splitter mirror rotated 90°? A quick image search suggests so and it makes sense to me, but I could, of course, be mistaken.
So very interesting. I would need to watch again a few times.
Your videos are like therapy to me 😀 Please keep them at least one hour long.
the tickrate at which we perceive "time" is really a frequency generated by the brain and we can influence that with cognition, this is exactly what derealization and adhd do: they affect how fast we perceive time. This tickrate also varies based on each species and offers a broad range of variation for natural selection to take over more efficiently as a species. It is the eternal great cycles of Samsara, entropy oscillating back and forth on multiple wavelengths simultaneously. Our experience of life going from order to chaos is really biased by our existence at only one side of the larger oscillations of reality. In fact reality is absolutely relative. Time is an illusion, entropy is a fractal of cause and effect, tied together on each end by causality. It is merely another dimension we experience, while riding an energy that oscillates across this spectrum.