Does Time Cause Gravity?

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We know that gravity must cause clocks to run slow on the basis of logical consistency. And we know that gravity DOES cause clocks to run slow based on many brilliant experiments. But I never explained WHY or HOW gravity causes the flow of time to slow down. And I’m not going to explain it now - because in a sense it’s not true. Gravity does NOT warp the flow of time. It’s the other way around - the warping of time causes gravity.
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Written by Matt O'Dowd
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  • Trinketorium
    Trinketorium2 godzin temu

    When we observe the universe expanding and see objects moving away from each other in a way that indicates expansion is speeding up - do we take into account the time effect you discuss? I mean - if time is slower on Earth, would it be faster further away? Would it be much slower near black holes? Would our observations then be potentially wrong if we base it on our own time speed - as though we had a “time magnifying glass” that caused what we observe to be faster (or slower) than it is in reality? Thanks for the continual education! Ps how do you make your wonderful graphics? I work for a hospital in the uk making analysis reports and I could explain issues much better with graphics like yours! :)

  • J Z
    J Z3 godzin temu

    gravity is from magnetism, you're welcome

  • a.append(b)
    a.append(b)4 godzin temu

    I want your shirt! It's super cool!

    SHERIFFRoyLamb IFS4 godzin temu


  • Gareth White
    Gareth White4 godzin temu

    Is this concept compatible with Einstein’s equivalence principle? If I’m in a spaceship accelerating at 1g, eventually I will get closer and closer to c. And the closer to c I travel the more extreme the time dilation. *But* my perceived gravity remains at 1g no matter how near to c I get and how huge the time dilation. But at Earths surface I experience 1g with much less time dilation. Not equivalent surely?

  • kenneth bransford
    kenneth bransford4 godzin temu

    How can TIME, cause gravity if time doesn't EXIST?

  • Don M Howard
    Don M Howard6 godzin temu

    Could something exist in the future that is not "the future"?

  • Time Sifer
    Time Sifer8 godzin temu

    1-point particles should be on another dimension.

  • macewenart
    macewenart10 godzin temu

    Reductice reasoning

  • bo xer
    bo xer15 godzin temu

    I still believe gravity is independent of time.

  • october001
    october00116 godzin temu

    Could one photon be everywhere at once?

  • Taina Edwards
    Taina Edwards16 godzin temu

    They are one in the same properties

  • Taha
    Taha18 godzin temu

    If you ever get into a DnD campaign - I would love to sit at your table. (Also - amazing video, one of the first/ weirdest things I ever heard was 'space and time can be described as distortions in a gravitational field' - this reminds me of that).

  • Marco Ruffaldi
    Marco Ruffaldi19 godzin temu

    Teapot, is that a Richard Dawkins reference?

  • Jason Calvert
    Jason Calvert19 godzin temu

    Matt, shouldn’t it be the other way around? Mass and therefore gravity causes time. Without mass, there is no time.

  • Booboobear2388
    Booboobear2388Dzień temu

    I am a retired engineer who worked on the GPS program years ago. The timing between the ground and the GPS satellites would have to be adjusted due to the difference. I always thought that was very interesting.

  • Mark Nunes
    Mark NunesDzień temu

    could special relativity create gravity? In other words maybe special relativity creates general relativity. For instance traveling away from something time appears to slow down because the thing you travel away from appears to slow down. When you travel towards something it appears to speed up. Therefore you could say that traveling towards something is faster than traveling away therefore you travel faster toward and slower away.

  • Jericho Lasam
    Jericho LasamDzień temu

    the fourth fundamental force is not gravity but time. The graviton does not exist but a time "particle" instead that does not move through space, the opposite of particles like photons which do not move through time. But does interact with them explaining light experiencing gravity. Just kidding, im stupid and don't know what I'm talking about

  • w sedlacek
    w sedlacekDzień temu

    In this case weight wouldn't be measured by mass, but by the height of an object

  • Ptah RIDGE
    Ptah RIDGEDzień temu

    Your physics can only attempt to explain concepts of reality your brain manufacturers for you. PTAH

  • Terry Glover
    Terry GloverDzień temu

    If 'Gravity' is just an effect of time difference, what's creating the difference?

  • charlie thomas
    charlie thomasDzień temu

    In a weightless world, in order to make a video that gives example of gravity; you must capture artificial props behind or around the floating human. Many sections of snap shots. Those would become a video once combined. Within that video, the people seem to cling down. The coordinates of every being are just that: Coordinates. Now, we of the modern Earth, are aboard a prop, that looks like a planet, experiencing the same artificial gravity on a grand scale. Making a larger fake gravity movie. Time has many slides and timelessness has no props, to be recorded in. The props provide visibility, once you are scooped. Without the prop we are not slides of footage. When there was no visible Earth or universe; we were still as information and without form. Time still existed, as tiles of darkness. Darkness that goes on forever. Distance is causing time. Before a theater movie, the theater is dark, and it seems as though it would be forever before showtime. Preceding the movie has power. That is where we wonder of. Our wonder is a wait. The present awaits the beginning. Once the movie begins, the present awakens. Conscious time begins visibly. Unconscious time is invisibly there. Calculation is a creative point, that is at infinite. Infinity never begins or ends. That means that information is the only actual mesh and catch. Time for word, then symbol and then number are all a distance from each other: Making there 3 beginnings and at least 3 nothingnesses of nether time. Each observable dimension of the modern realm is going delta wave all day long.

  • Tony Midyett
    Tony MidyettDzień temu

    "An awwww" in Australia is used in place of "an oar".

  • NeoRetro
    NeoRetroDzień temu

    So wouldn’t it be funny if the inverse to the speed of light wasn’t a reversal of time but rather The gravitational pull trying to reverse not a single object but the entire universe..., therefore standing still and not moving at all is like a resistance to that and moves fasstet through time?

  • Esah G
    Esah GDzień temu

    they are the same thing

  • mark reed
    mark reedDzień temu

    is time actually just gravity.

  • TeeBall Robertson
    TeeBall RobertsonDzień temu

    I believe PBS is part of the fake news networks. Government Public Broadcast. BS to me

  • Unknown Prodigy
    Unknown ProdigyDzień temu

    That is a MASSIVE teapot, once you put Earth in the picture. How much tea do you drink?

  • G M
    G MDzień temu

    The fact that clocks change their tracking of true time might just be an anecdotal effect of the design of the clock itself, as it is subjected to various pressures, temperatures, and gravity? But I heard this is true of atomic clocks also, so it seems not to be the case... 2:59- So clocks tick slower that are closer to the Earth, and clocks farther from Earth tick faster, ok. So what if you go even deeper, down to the center of the earth- Does time stop? I think that even if a clock slowed to a stop as it approached tbe Eartb, time would not stop. A clock is just a measurement device, not the theoretical existence of time itself, right? Perhaps we need to make a distinction there. Or maybe in considering this issue further, the answer may come to me..gimme a minute... If this angular momentum is the generator of gravity, why do objects of greater mass have greater gravitic fields, irrespective of their size? (Size is related to distance) Mass has to be central to gavity theory, not just the distance from Earth, alone, right? -Elevator technician out of his element.

  • G M
    G MDzień temu

    So how much would you weigh, if you were in the center of the Earth? (Thought experiment that disregards the heat of the core and weight of Earth above. Imagine a cool void right in the center) And how fast does time move in the center of the Earth?

  • THE STADTS Seven Acres
    THE STADTS Seven AcresDzień temu

    This is good stuff

  • Michael Rome
    Michael RomeDzień temu

    Nope... the particles that make up our time measuring devices are what’s affected, this gives the allusion of time dilation. Actual time didn’t change.

  • Betty White
    Betty WhiteDzień temu


  • Jessie Evans
    Jessie EvansDzień temu Solo le azioni dei rappresentanti dell'opposizione, superando l'attuale difficile situazione economica, sono descritte nei minimi dettagli. D'altra parte, la consultazione con una vasta risorsa, nella sua visione classica , consente l'implementazione di soluzioni concettuali sia autosufficienti che dipendenti dall'esterno. Innanzitutto, il concetto high-tech dell'ordine sociale consente di valutare il significato di esperimenti che colpiscono per scala e grandezza. In generale, ovviamente, la costante crescita quantitativa e la portata della nostra attivita fissano in modo inequivocabile la necessita di completare tempestivamente il super compito.🔥 Por outro lado, o desenvolvimento de varias formas de atividade cria os pre-requisitos para os requisitos prioritarios. Assim como a fronteira de treinamento e um experimento interessante para verificar as condicoes de ativacao apropriadas! Claro, o planejamento futuro e perfeito para perceber as condicoes financeiras e administrativas existentes! Por outro lado, a alta qualidade da pesquisa posicional identifica exclusivamente cada participante como sendo capaz de tomar suas proprias decisoes em relacao ao sistema de treinamento de pessoal que atende as necessidades urgentes.

  • Ian Clarke
    Ian ClarkeDzień temu

    But why wouldn't the faster boat in the middle of the water pull the slower boat away from the shore as opposed to the other way round ?.

  • None Filter
    None Filter2 dni temu

    You know what creates gravity? These nuts!!!!😆

  • TheErraticTheory
    TheErraticTheory2 dni temu


  • Engelbertus
    Engelbertus2 dni temu

    for a causal relation to be there, doesn’t there need to be a perspective of linearity with a certain direction? for example: if we represent “if A then B” as A => B we need an observer to understand this causal relation to start from left to right. There needs to be a concept of left or right or beginning or end to phrase causal relations in the first place. Also, there needs to be a perspective that A can only cause B if both are viewed as separate entities. So again, in explaining reality in these kind of models, we need to assume or neglect the truth of some concept to construct the models themselves. Of course, i’m debating basic principles of logic, but why do we assume these basic principles to be true? To sum it up, if causality is merely a mental projection onto reality, without this projection, could time and gravity be one very same thing? The causal relation rather an integral relation, one reflecting the other without separations? I wonder if this kind of perspective could open up a new view a science, deeper insights and understanding.

  • Drub Drub
    Drub Drub2 dni temu

    spacetime, amirite

  • Lets Roll 2020
    Lets Roll 20202 dni temu

    Gravity = inbound stream Levity = outbound stream

  • sorellman
    sorellman2 dni temu

    Of course time causes gravity, except that time does not exist. Problem solved. What you call time is movement through space, this was why Einstein considered time/space one and the same dimension. Must be a nice video. Too bad the title does not entice one to watch it.

  • Guy North
    Guy North2 dni temu

    Just reading the title tweaked my brain!

  • Bart Simpson
    Bart Simpson2 dni temu


  • Marshall Curtis
    Marshall Curtis2 dni temu

    What is the meaning of your T-shirt that says “heat death is coming?”

  • Thomas Wright

    Thomas Wright

    Dzień temu

    Heat death is the concept that, in the far future, as all stars grow cold, and all sources of energy cease to exist, the universe itself will grow cold and empty until all activity stops. It's also a reference to Game of Thrones quote, "Winter is coming!" featuring Sean Bean.

  • Mirror Space
    Mirror Space2 dni temu

    No Time exists. Only flow of light propogation ( P ), the 'current' of which determines condition.

  • Hitchenista
    Hitchenista2 dni temu

    Genuinely mind-blown today, goddammit.

  • bo xer
    bo xer2 dni temu

    Maybe gravity affect physical clock but not the actual time.

  • Narf Whals

    Narf Whals

    2 dni temu

    Then gravity would have to somehow conspire with all mechanisms of all clocks to always give exactly the same result. This works with atomic clocks, mechanical gear clocks, photon clocks, your cells. Anything that can accurately measure time is affected exactly the way the theory predicts. It seems more reasonable to assume that it is actually time, especially when it explains observations about gravitation so well.

  • Apollo
    Apollo2 dni temu

    Um, gravity weighs.

  • Ultimate Powa
    Ultimate Powa2 dni temu

    Gravity also doesnt pull, it pushes

  • Brian Cusack
    Brian Cusack2 dni temu

    No it is the other way around. Gravity causes time and can change the speed of “time”

  • jon morey
    jon morey2 dni temu

    Do the clocks have quartz movement? How are the clocks in-tangled? Would time have a permanent effect on perception? Is there a global effect?

  • Thạnh Phạm
    Thạnh Phạm2 dni temu

    Stupid United The United states uses the most vaccines in the world. In the United states, 541.773 people died from the virus. Poorest Tanzania in the world, Tanzania has no money to buy vaccines, Tanzania does not die from the virus

  • Fry
    Fry2 dni temu

    It's all about the spin.

  • Virgle DeBord
    Virgle DeBord2 dni temu

    Time causes everything, everything causes time.

  • Kristin Nap
    Kristin Nap3 dni temu

    Okay, I'm no scientist. I've been thinking about this for a couple of weeks, so a couple of questions. 1) What if the earth stopped spinning? 2) Does time not exist on the moon? If time causes gravity, the moon seems to defy time. I thought time was an illusion anyway. It seems to me that spinning/rotation has an influence on gravitational pull.The moon doesn't spin, therefore light bodies float away (my theory). So, this (totally not based on science, only observation) suggests to me that earth's rotation affects gravity. Keeping us firmly planted similar to a centrifugal force.

  • differous01


    2 dni temu

    The earth's spin gives us sunrises/sets; hence we measure time with sun-dials. But time measured by clockwork or electronic devices would pass the same even if the spin (and sun-dials) stopped. The illusion of time passing at different rates results from our mental state: the watched kettle seems to take forever to boil, but if we're preoccupied time flies.

  • Narf Whals

    Narf Whals

    2 dni temu

    1) the earth's rotation has nothing to do with this. 2) the moon is in orbit around the earth. It is attracted, but moving "sideways" fast enough that it doesn't actually get closer. The moon causes its own "time gradient", but it is weaker than earth's because the moon is less massive. That is why gravity is weaker on the moon. 3) Time is not an illusion. It is what we call the process of things happening in order. 4) the moon does spin, it just spins in such a way that it always shows the same side to earth as it orbits. But again, rotation has nothing to do with this. Centrifugal force would push us _away_ from earth. And it would mean that there was no gravity near the poles. (And in fact you are technically slightly less heavy at the equator than at the poles)

  • Andrew Martin
    Andrew Martin3 dni temu

    Gravity isn't the curvature of space time but a bending of possible outcomes. Everything looks deterministic because everything we see has already happened, due to the limitations of the speed of light. The future is the wavy probabilistic universe we think of in quantum mechanics. When large areas are entangled they limit the amount of possible things that can happen next, which is why I say gravity curves probabilities and not space time.

  • BigMic69
    BigMic693 dni temu

    All I know is that the Closed Caption on my side got a lil' weird towards the end... IJS

  • stan kidofu
    stan kidofu3 dni temu

    mind blown :0

  • thatGameGuy
    thatGameGuy3 dni temu

    Why do humans try to apply the concept of time to an infinite universe? It's like trying to understand how the solar system works by saying the sun revolves around the earth.

  • oculos prudentium
    oculos prudentium3 dni temu

    Omg, the utter drivel and garbage being shovelled out here in the name of Science is horrendous! He doesn't even in know that the speed of light has been slowing down from the moment of creation to today.

  • Dean suphanthamit
    Dean suphanthamit3 dni temu


  • Imtheone VanHalen
    Imtheone VanHalen3 dni temu

    Not done, lol....drop your al anything near you....IF you check your position with GPS, AND you do the proper computations, you'll see that it dropped towards the center of the Earth within a few ten-thousandths of a degree.(the molten core is really big...) Einstien was off his wig towards the end, trying to explain huge holes in some of his theories....the easy answer is, yep, mass attracts rubber sheet analogs, no bending of the space-time continuum....... Proving the accepted opposite has to never has

  • Imtheone VanHalen
    Imtheone VanHalen3 dni temu

    Check the experiments from the ISS about particle accumulation in free-fall gravity conditions (note I didn't mention zero gravity...) These "high-thinkers" LOVE to muddy accepted truths to garner interest in grant money...all BS. Mass attracts mass, and the effect is gravity. (Name it what you is the attraction of a mass to another mass...) WE are the creation of gravity....slight mind bend, but it's a really a slick solution.....research the creation of Earth and our moon.

  • Major Melon
    Major Melon3 dni temu

    Your example is quite an improbable ceramic

  • J Tru
    J Tru3 dni temu

    This is so interesting and as much as I’d like to put a smart quirky comment but all I can think is… i want MOAR!!!!! Please sir more.

  • acolit1
    acolit13 dni temu

    Does time actually exist?

  • Daniel Reyes
    Daniel Reyes3 dni temu

    You dont know what your talking about. Science has made mad.....mad in a bad way😂🤣😂

  • Alex
    Alex3 dni temu


  • Sarah Rosen
    Sarah Rosen3 dni temu

    The subtitles took an interesting turn.

  • Billy File
    Billy File3 dni temu

    👎🤣, What a DUMB QUESTION!! How on earth can a measurement be the cause of gravity...❓❔ That's like saying "does a thermometer cause extreme weather." 🤦‍♂️

  • Elvis Boulala
    Elvis Boulala3 dni temu

    I felt that while tripping

  • Luke Dupin
    Luke Dupin4 dni temu

    Time doesn't exist. There are just cycles per second on atomic clocks.

  • Narf Whals

    Narf Whals

    3 dni temu

    @Luke Dupin And what is a duration?

  • Luke Dupin

    Luke Dupin

    3 dni temu

    @Narf Whals Since 1968, the International System of Units (SI) has defined the second as the duration of 9192631770 cycles of radiation corresponding to the transition between two energy levels of the ground state of the caesium-133 atom.

  • Narf Whals

    Narf Whals

    4 dni temu

    And what is a second?

  • captain mexico
    captain mexico4 dni temu

    We should fill bottles with messages and this it out of space..

  • Gene Nich
    Gene Nich4 dni temu

    No time does not cause gravity. Please humanity do not go down that rabbit hole. It will set back your species back decades before you figure that out. It is similar to your ideas of space-time. Back to basics people. Gravity, Space, Time, & Flux are each their own entities. Yes they do interact and that will be what you will look at when you are ready to go to another star. But for now just stick with the basics. You will make more progress and may even get a few people off world before you make yourselves extinct.

  • Ago go
    Ago go4 dni temu

    No, gravity causes time.

  • matt winward
    matt winward4 dni temu

    3:59 I like how to Space Time logo seems to emit its own sound whenever it's displayed.

  • Robert Rypuła
    Robert Rypuła4 dni temu

    5:07 it's a bit unfortunate to show 3D earth on 2D space :/

  • COVID 19
    COVID 194 dni temu

    Yes and no. Time does not solely cause gravity.

  • Yuuri Shibuya
    Yuuri Shibuya4 dni temu

    Confusion warps around my mind.

  • The Fulton Ansley Project
    The Fulton Ansley Project4 dni temu

    Gravity is just the pull of centrifugal force. I don't see what the confusion is.

  • Thomas Wright

    Thomas Wright

    Dzień temu

    Actually, gravity is the opposite of centrifugal force. Centrifugal force (or more precisely, centrifugal effect) causes mass to move away from the center, whereas gravity causes mass to move toward it.

    DR. REAL SHIT4 dni temu

    Gravity conducts time

  • Serge Franki
    Serge Franki4 dni temu

    Mistake. Time does not exist. The movement exists. The movement of the hands of a clock exists. Gravity depends on movement.

  • Warren de Moor
    Warren de Moor5 dni temu

    So to achieve anti-gravity all one needs to do is increase the rate of the time dimension of an object.........piece of cake :p. Seriously though if we could alter that field by 1/1,000,000,000 we could anti-gravity to achieve orbit to do that though???? What causes that specifically besides from the observation it occurs around massive objects, what in the massive objects is doing this and can it be replicated artificially without all the mass/energy. answer that and we will have warp drives.

  • Jake G
    Jake G5 dni temu

    Isn’t the speed of light a distance, not a speed?

  • Thomas Wright

    Thomas Wright

    9 godzin temu

    @Jake G No. 300,000km/s. When we use the term "speed of light", we're referring to the speed of light through space, not through a medium.

  • Jake G

    Jake G

    13 godzin temu

    @Thomas Wright so that would mean if you flew 1000 miles per second you would be catching up to the speed of light?

  • Jake G

    Jake G

    13 godzin temu

    @Thomas Wright so then if you would fly, 1000 miles a second in a vacuum, that would mean you are catching up to light speed.

  • Thomas Wright

    Thomas Wright

    Dzień temu

  • Thomas Wright

    Thomas Wright

    Dzień temu

    @Jake G That's because the speed of light in a vacuum is a constant, whereas speed through a medium - like an atmosphere, liquid, or the inside of a star - is highly variable. But, as one of the previous videos points out, the speed of light in a vacuum isn't really about light; it's about causality; it's the maximum speed anything could possibly go, whether it be information, energy, what have you.

  • Nathan Yates
    Nathan Yates5 dni temu

    Music is pretty dope. 😍

  • raynac224
    raynac2245 dni temu

    Oh Hey! this almost perfectly matches a theory I came up with myself about there not really being gravity but that time warps when matter gathers together. and my explaination about why things orbited rather than the boats in the river example was if you were in a wheel chair with one side closer to the planet. that side would experience time slightly slower so the inside wheel would turn slower than the outside wheel causing the wheel chair to slowly turn. My friends said I was crazy! although maybe that's because I also theorized that perhaps anti matter had the opposite effect and could effectively form an anti gravity field or and area where time flowed in reverse. I theorized the reason we havent seen that property of antimatter yet is because you would have to gather enough antimatter together to locally overpower not only the gravity of the earth (which would be exerting a time moving forward effect) but also the sun (a larger background time moving forward effect) and outside all of that. the power of the super massive black whole at the center of the milkyway galaxy (which is once again exerting a incredibly wide range time moving forward effect) I stopped looking there because sources of gravity beyond the supermassive black hole is beyond my knowledge and lets be real is probably impractical to think about anyways.

  • Meru Hagen
    Meru Hagen5 dni temu

    History is written by those who won the war. Science is dictated by those in control.

  • André Maccarini
    André Maccarini5 dni temu

    I... I want to play

  • xapimaze
    xapimaze5 dni temu

    Great video. There is something that is not clear to me, however. Due to the equivalence principle, as I understand it, the person in the box should not be able to tell the difference between the acceleration due to gravity and the acceleration due to the box being pulled from outside. However, what if there were identical, super accurate/sensitive clocks placed at the top and bottom of the box? In the case where the acceleration is due to mass (gravity), the clock at the top of the box should measure time as moving more quickly. But, would the clocks read the same difference when the box is being pulled from the outside? If so, what causes that difference? If not, then could the person tell the difference between the scenarios just be reading the clocks?

  • James Samples
    James Samples6 dni temu

    Matt, I have no qualms about being a skeptic! I really, thought you were going to tell me, that wind is created by trees bending over. That was a really good video, I'm going to have to study on this one. Thanks!

  • Mike Ottink
    Mike Ottink6 dni temu

    If the earth drags time, does that drag have an effect on the earth in terms of it losing it's rotation speed?

  • Ryan Gallagher
    Ryan Gallagher6 dni temu

    Particles are harmonic vibrations riding a pilot wave. The ripples of time affected by the slowing of it's base vibration cause a wave to move towards it. Gravity is an attempt to consume energy to get back to 1

  • mr Sandman
    mr Sandman6 dni temu

    Gravity may just be pressure we are in a bubble and outer space is a force like water on a bubble as long as bubble stays underwater it will not pop.

  • Jaxxon Balboa
    Jaxxon Balboa6 dni temu

    Does applesauce cause gravity?

  • TerranIV
    TerranIV6 dni temu

    If we are going to say that "gravity" isn't what is warping space-time (but that it is the pseudo-force accelerating masses towards the center of gravity a la the magnetic force) it seems like we need to have a name for the "space-time warping force" that is the "true" force. I propose the "exigency force" as this conveys both the important and existential nature of the force as well as the urgency relating the the time component. Anyone agree/have a better name?

  • Craig Fordyce
    Craig Fordyce6 dni temu

    A thought experiment: substitute the words "gravitational ether" for "space time". Then ask, who was the better physicist, Isaac Newton, or Rene Descartes?

  • Mark Menard
    Mark Menard6 dni temu

    I think you rolled a 20.

  • Matt Stephens
    Matt Stephens6 dni temu

    No time is just a way to measure inertial points of reference, it's like asking if centimeters cause distance.

  • Firstname Lastname
    Firstname Lastname6 dni temu

    This guy is too smart for me to keep up, and playing the video at quarter speed doesn't help.

  • MR PawPaw
    MR PawPaw6 dni temu

    All of this has no meaning until you can block gravity and make Jetson cars.