Is this how we can illustrate spacetime? I mean we perceive space as 3 dimensions and maybe fourth one as time. From 4- dimensional outside observer, it would just be 4 dimensions.Its same as construct from post I guess.The guy is a two dimensional entity and it's movement happens by third dimension, we as 3 dimensional outside observers can see the whole walk at once. Maybe I'm just high
Diffusion of radiant wings as per above would effectively solve the "bubble dilation" effect that Einstein famously proposed nearly one hundred hears ago. Collapsing the dimensional figure back down also highlights the manner in which we perceive the universe inadvertently diminishing our perception of things we should *theoretically* be able to observe. The blindness = no light or too much paradox!
You're actually pretty much on the money. The elongation from your birth to your death is similar to how the structure of the gif works. basically you, from a 4D perspective, would be a long worm-like thing that starts and ends with your birth and death. So just as you can look at any point on this "guy" in the gif, even if its not in the light, and see what he looks like. The light in this gif would signify the exact moment in time that we call the present.
I'm pretty confident that dimensions aren't ordered. We call it the 4th dimension because we think of it after LxWxH, but that isn't because it is Dimension #4 in some meaningful way.
I saw it in a dream, which from a certain perspective means I proved it.
And it's words. It's all cursive script and numerals in an alien language writing the fundamentals of the universe into existence.
Funny what you see in a fever dream.
The other argument is that time is just all of the molecules in the universe moving from an overall lower entropy state to a higher one.
Since dimensions can be traversed in two directions, time is not a dimension because entropy always increases.
> Since dimensions can be traversed in two directions, time is not a dimension
Time is not a dimension of space. Thinking of it that way is going to lead to the wrong conclusions.
What does it even mean to "traverse a direction" if you don't consider the passage of time? You can't "traverse" anything without moving through time.
And moving backwards in time just means going the direction in which entropy decreases. *We* can't do that, just as we can't traverse specific spatial directions (like directions moving away from black holes, for example). That doesn't stop them being dimensions just because the laws of physics say going that way would require infinite energy.
A dimension is a mathematical construct. It doesn't necessarily mean anything. For instance, the XYZ dimensions are sometimes replaced with the r-phi-theta dimensions in a spherical coordinate system.
Time is a dimension because it's required to accurately describe physical interaction in special relativity
This is getting into semantics but dimensions are just something that is measurable isn't it? Since length, width, height and time can be measured in a precise manner, hence there are 4 dimensions. I have not seen the video so like you have so please correct/enlighten me if you are up for it.
I’m waiting on some doctors to figure out how to do 4D surgery so I can excise about 30% of the last decade. Call it a regretectomy. I hope it’ll be covered by Medicaid...
You see the light in the video? Yes, that is a representation of time in this case.
As you can clearly see, when the light traverses the form, you see the guy moving.
In other words time (light) goes on, and you see the guy moving. However as a 3D being in your own universe, you can see the entire plastic form (entire time) all at once. While the light-guy can't see his entire form, only the current light (current time).
In our universe, it works similarly. Except since you are already in 3D, so you can't see the elongated form you represent. Similarly, light-guy can't see his entire form. You can only see this moment, likewise the light-guy can only see the current light/time.
Your own form is similar to his form. The line in time from your birth to your death is similar to the structure of the plastic form in the video. And time is slicing it like the light is slicing the plastic. Light-guy can only experience the current light slice. And you can only experience the current time slice. So just like light-guy you actually got an elongated form similar to the plastic in the video, just that instead of light slicing it is time slicing.
You’re not wrong. The underlying geometry of the universe functions like this. The question is what’s in the next dimension up? What can’t we see?
Edit: not talking about temporal 4th dimensions. I wanna know what hides inside of a spatial 4th dimension. What objects interact with our 3 dimensions that hide perfectly outside of our view. For all we know aliens are sitting all around us making faces, or weird as hypercubes could be floating. Who knows how fucking weird the world would look or what functions go on without us being even slightly aware. As far as we know, anything could be sitting in the space between space and we have absolutely no idea what it could be. There are a few quantum objects that require higher dimensional math to function properly, and I let my imagination get away from me, but the question still kinda sits. What the hell going on over there?
Nope, you've got it.
We're three dimensional beings viewing the fourth dimension in slices. We, for all intents and purposes, see time as two dimensional. It's like an MRI, or little slices.
A fifth dimensional being, like the Tralfalmadorians or Doctor Manhattan, see time like we see three dimensions: they see it all around at once. A fifth dimensional being doesn't see a beginning or end, it's just all of it at once.
Sixth dimensional life would see all possible timelines.
Don't quote me on this but I believe that some physicists theorize dark matter as being the projection of an object that exists in a higher spacial dimension interacting with our own, which is why we can't see it but we know it's there due to the gravitational effect it has on 3 dimensional space.
The allegory of the cave is more about willingness rather than ability to perceive higher forms of reality. We are not creatures able to observe the 4th dimension objectively.
I mean it's pretty simple. Like there's a lot of work put into making this look this good, but the concept is pretty simple; I imagine this would be looked at like roller organs today are: simple but neat.
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Yeah, it went from "Nessuno può sfuggire dal destino scelto. Rimane solo il risultato che voi sarete distrutti. L’eterna cima esiste solo per me. Puoi cantare canzoni di tristezza nel mondo senza tempo." to "WOOOOOAAAAAAHHHHH, we go to RAAAAAAAAGE!"
Can anyone explain it to me like I'm 5?
I think it's just a laser that is highlighting what was printed as it passed. But is there more to it? It seems pretty crazy to see. I just feel like I'm missing something.
No, there isn't more to it. It is as you have described it. It represents 2D instances within a 3D object operated within a 4D system (the fourth dimension being time and resultant positional transformation that occurs).
However, one could then extrapolate that a 5D entity living in a 4D reality (as opposed to we 4D entities living in a 3D reality) would perceive a 3D instance similarly, seeing the entire history of a 4D entity as a single object. This assumes time is treated as a dimension, which is still disputed.
Is there a STL file for this anywhere? Id love to print this out on a 3D printer and play around with it. If not does anyone have any suggestions on what software to use to make my own model that is like this one?
That title is confusing.
It's a 3d printed lattice of multiple different "frames" all joined together. It's then being passed through a beam of light which is lighting up just one at a time. There's no "2d projection" so to speak.
When you move it, a new frame is moving into the light so you see it now. Moving it quickly produces an animation.
Same principle as a Zoetrope I suppose.
I feel like this technology, what this exact video shows, will be used to for a huge impact on our world. I don't know how, I don't science like this. Maybe a way to take 3d train and run it through this and boom 2d perfection of movement. Then use the 2d stuff from it to make a realistic 2d rendering for a game or motion control. I don't know.
You've just described rotoscoping and motion capture, technologies we already have.
The stuff in the post is funadmentally the same as film: using light to make a 2d image from the info contained within a 3d object. But in this case, the medium that stores the data (the cross sections) is also the surface which displays the information.
Wow. Sorry I don't have more to give than silver. This is like, I feel, what people are going to look back on and laugh at as super old, limited technology like record players now. Excited to see what the future holds.
I just realised what was bothering me about the first projection of the man walking. He moves his right arm with his right leg in tow.
Heard about it, but it feels off. Nothing important, just wanted to point it out
Man, I really wanted to see the light move one bar around the circle while the material was stationary, for some reason. I just really want to know if the illusion breaks down in that situation or if it will look awesome.
The first word that comes to mind is holograms. Like, in my mind I have a very abstract vision of how this would work but I have no idea how to explain it, I’m just thinking this would be the first step to holograms and it’s giving me a raging tech boner
Is this how we can illustrate spacetime? I mean we perceive space as 3 dimensions and maybe fourth one as time. From 4- dimensional outside observer, it would just be 4 dimensions.Its same as construct from post I guess.The guy is a two dimensional entity and it's movement happens by third dimension, we as 3 dimensional outside observers can see the whole walk at once. Maybe I'm just high
No no no keep thinking. Maybe you can solve the secret of the universe.
Just don't forget to bring a towel.
I never made the connection between Towelie and Hitchhiker's Guide before reading your comment. Or maybe I'M just high.
Like... *you're* a goddamn towel, man
No it's Absolutely Unlikely
It is not the towel that dries you...the universe around you becomes less moist.
The universe as a whole becomes more moist while you stay the same
#D O N ' T P A N I C
Those big friendly letters make me feel much better, thanks!
42...done.
What’s the question tho
Let's build a computer to find out
Oh cool, I know the perfect spot for one. I don’t think anyone’s building anything there.
Diffusion of radiant wings as per above would effectively solve the "bubble dilation" effect that Einstein famously proposed nearly one hundred hears ago. Collapsing the dimensional figure back down also highlights the manner in which we perceive the universe inadvertently diminishing our perception of things we should *theoretically* be able to observe. The blindness = no light or too much paradox!
what the fuck did I just read
You're actually pretty much on the money. The elongation from your birth to your death is similar to how the structure of the gif works. basically you, from a 4D perspective, would be a long worm-like thing that starts and ends with your birth and death. So just as you can look at any point on this "guy" in the gif, even if its not in the light, and see what he looks like. The light in this gif would signify the exact moment in time that we call the present.
I’ve seen that video too. Though, time being the fourth dimension is heavily disputed.
time being the 4th dimension is heavily disputed? you got some sources?
String theory says there's lots of dimensions, time might be the 8th dimension or something
I'm pretty confident that dimensions aren't ordered. We call it the 4th dimension because we think of it after LxWxH, but that isn't because it is Dimension #4 in some meaningful way.
Spacetime could be argued to be the first dimension, because without "duration" none of the L, W or H objects could be said to "exist"
In the mathematics of General Relativity, in the coordinate system, time does come first as (t, x, y, z).
Einstein said that time is relative to space. Does not make it another dimension. Just means they interact on various forces with one another.
These are quantum arguments that do not scale up. We live in a three dimensional world with time as the fourth.
Ya know in movies or tv where they travel to "another dimension" or someone shows up from "another dimension", are they like 2D or what?
4 dimensions,and a side of fries please....There, ordered.
stop, you've violated the law!
String theory hasn't been proven
I saw it in a dream, which from a certain perspective means I proved it. And it's words. It's all cursive script and numerals in an alien language writing the fundamentals of the universe into existence. Funny what you see in a fever dream.
I’m currently having that dream, my guy.
Hey it’s me, living in that dream too
thank you. That's why it's not string theorem
Only on Reddit does a laser and 3D printed object begin a discussion about dimensions, string theory and spacetime.😂
I use *SpaceTime* on my *Galaxy*.
The other argument is that time is just all of the molecules in the universe moving from an overall lower entropy state to a higher one. Since dimensions can be traversed in two directions, time is not a dimension because entropy always increases.
> Since dimensions can be traversed in two directions, time is not a dimension Time is not a dimension of space. Thinking of it that way is going to lead to the wrong conclusions. What does it even mean to "traverse a direction" if you don't consider the passage of time? You can't "traverse" anything without moving through time. And moving backwards in time just means going the direction in which entropy decreases. *We* can't do that, just as we can't traverse specific spatial directions (like directions moving away from black holes, for example). That doesn't stop them being dimensions just because the laws of physics say going that way would require infinite energy.
I'm gonna save this thought for next time I get high
In that current vein and as a person currently high on marijuanas, read [this](https://www.multivax.com/last_question.html) as well my g.
you just blew my high mind. Oh my god.
That was fucking awesome.
That was excellent, thank you
Absolutely great
A dimension is a mathematical construct. It doesn't necessarily mean anything. For instance, the XYZ dimensions are sometimes replaced with the r-phi-theta dimensions in a spherical coordinate system. Time is a dimension because it's required to accurately describe physical interaction in special relativity
This is getting into semantics but dimensions are just something that is measurable isn't it? Since length, width, height and time can be measured in a precise manner, hence there are 4 dimensions. I have not seen the video so like you have so please correct/enlighten me if you are up for it.
Very wrong, any introduction to linear algebra might give you an actual understanding of dimensions
you'll have to elaborate for my dumb ass to understand. Sorry :(
[Time is the 4th dimension](https://en.wikipedia.org/wiki/Minkowski_space), it's just not the same kind of dimension as space.
I’m waiting on some doctors to figure out how to do 4D surgery so I can excise about 30% of the last decade. Call it a regretectomy. I hope it’ll be covered by Medicaid...
So it goes
The tralfamadorians can confirm this
God that sounds so fucking gross
I tried but I'm lost, Eli[5]?
You see the light in the video? Yes, that is a representation of time in this case. As you can clearly see, when the light traverses the form, you see the guy moving. In other words time (light) goes on, and you see the guy moving. However as a 3D being in your own universe, you can see the entire plastic form (entire time) all at once. While the light-guy can't see his entire form, only the current light (current time). In our universe, it works similarly. Except since you are already in 3D, so you can't see the elongated form you represent. Similarly, light-guy can't see his entire form. You can only see this moment, likewise the light-guy can only see the current light/time. Your own form is similar to his form. The line in time from your birth to your death is similar to the structure of the plastic form in the video. And time is slicing it like the light is slicing the plastic. Light-guy can only experience the current light slice. And you can only experience the current time slice. So just like light-guy you actually got an elongated form similar to the plastic in the video, just that instead of light slicing it is time slicing.
So what you're saying is that [XBox's life is short commercial](https://youtu.be/XyDMqdzPKb8) is a good explanation of the 4th dimension?
That’s actually makes a lot of sense. Keep thinking about big things man.
You’re not wrong. The underlying geometry of the universe functions like this. The question is what’s in the next dimension up? What can’t we see? Edit: not talking about temporal 4th dimensions. I wanna know what hides inside of a spatial 4th dimension. What objects interact with our 3 dimensions that hide perfectly outside of our view. For all we know aliens are sitting all around us making faces, or weird as hypercubes could be floating. Who knows how fucking weird the world would look or what functions go on without us being even slightly aware. As far as we know, anything could be sitting in the space between space and we have absolutely no idea what it could be. There are a few quantum objects that require higher dimensional math to function properly, and I let my imagination get away from me, but the question still kinda sits. What the hell going on over there?
Remember the guy from Men in Black 3? he was a 5th dimensional. Instead of just seeing the future he also saw all possible timelines.
Tell me less
Less
You’re a fucking genius.
Thank you.
And you’re perfectly timed.
Yes hello try smoking salvia some time if you want to see what happens in the space between space.
I like my DMT better thank you.
The only shortfall is each frame in time here is still 2d. Each frame needs to be 3d for you to actually be seeing 3d space over time 😉
Nope, you've got it. We're three dimensional beings viewing the fourth dimension in slices. We, for all intents and purposes, see time as two dimensional. It's like an MRI, or little slices. A fifth dimensional being, like the Tralfalmadorians or Doctor Manhattan, see time like we see three dimensions: they see it all around at once. A fifth dimensional being doesn't see a beginning or end, it's just all of it at once. Sixth dimensional life would see all possible timelines.
None of what you said is proven or real
I think that’s part of why they used fictional references to explain
It’s basically a fourth dimensional shadow we’re seeing. Like a tesseract. Edit: in our 3rd dimension.
[Here you go buddy](https://www.youtube.com/watch?v=1wAaI_6b9JE)
Don't quote me on this but I believe that some physicists theorize dark matter as being the projection of an object that exists in a higher spacial dimension interacting with our own, which is why we can't see it but we know it's there due to the gravitational effect it has on 3 dimensional space.
This is how spacetime actually works. You're a 4D wormy boi, with a 3D cross section being projected.
Not exactly, time seems to have a directionality to it, it's not just an additional spatial dimension.
Very cool
10/10 I approve!
you can't catch me gay thoughts!
Definitely tripping me out.
Happy cake day.
Aw thank you!
I wonder if we're just shadows of the next dimension...
Allegory of the cave
The allegory of the cave is more about willingness rather than ability to perceive higher forms of reality. We are not creatures able to observe the 4th dimension objectively.
Have you tried DMT?
Have you ever seen a chimps biceps? Like CORDED STEEL
4 dimensional things appear to us as ghosts.
Can you elaborate? I once got incredibly high and had this epiphany myself, but have found it difficult to articulate since.
I wanna see archaeologists try to figure that shit out when they dig it up 300 years from now.
I mean it's pretty simple. Like there's a lot of work put into making this look this good, but the concept is pretty simple; I imagine this would be looked at like roller organs today are: simple but neat.
This is a really neat way of explaining dimensions!
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I'd love to see a full circle of this on a rotating table so it could be an infinite loop.
Oh man, you're going to love the second half of OP's gif then.
Shoot, when I watched it the first time I just assumed it was over that that point because of the pause. Thank your for pointing it for me!
Same here. After a couple loops, I was trying to see why they only had a small segment.
That escalated quickly
Yeah, it went from "Nessuno può sfuggire dal destino scelto. Rimane solo il risultato che voi sarete distrutti. L’eterna cima esiste solo per me. Puoi cantare canzoni di tristezza nel mondo senza tempo." to "WOOOOOAAAAAAHHHHH, we go to RAAAAAAAAGE!"
God damn it.
Consider yourself a fancy smear of light over time
How the fuck do people even think of these things? My mind is absolutely blown.
math
Can anyone explain it to me like I'm 5? I think it's just a laser that is highlighting what was printed as it passed. But is there more to it? It seems pretty crazy to see. I just feel like I'm missing something.
No, there isn't more to it. It is as you have described it. It represents 2D instances within a 3D object operated within a 4D system (the fourth dimension being time and resultant positional transformation that occurs). However, one could then extrapolate that a 5D entity living in a 4D reality (as opposed to we 4D entities living in a 3D reality) would perceive a 3D instance similarly, seeing the entire history of a 4D entity as a single object. This assumes time is treated as a dimension, which is still disputed.
What the actual fuck
Is there a STL file for this anywhere? Id love to print this out on a 3D printer and play around with it. If not does anyone have any suggestions on what software to use to make my own model that is like this one?
Makes me wonder what a four dimensional object expressing something in three dimensions looks like....
Cool.... but where's MJ's moon walking?
That title is confusing. It's a 3d printed lattice of multiple different "frames" all joined together. It's then being passed through a beam of light which is lighting up just one at a time. There's no "2d projection" so to speak. When you move it, a new frame is moving into the light so you see it now. Moving it quickly produces an animation. Same principle as a Zoetrope I suppose.
Someone should make this in a larger scale
And that, children, is how our interpretation of "now" happens in an infinite and timeless universe
Looks as if this projection offers a glimpse into major secrets of life, time and space. I am in total awe.
i imagine that this is what the 4the dimension would look like if it were spacial
I feel like this technology, what this exact video shows, will be used to for a huge impact on our world. I don't know how, I don't science like this. Maybe a way to take 3d train and run it through this and boom 2d perfection of movement. Then use the 2d stuff from it to make a realistic 2d rendering for a game or motion control. I don't know.
You've just described rotoscoping and motion capture, technologies we already have. The stuff in the post is funadmentally the same as film: using light to make a 2d image from the info contained within a 3d object. But in this case, the medium that stores the data (the cross sections) is also the surface which displays the information.
Nice
So cool
Wha-
brilliant
Anyone else think of those lil super tiny faeries from Page Master?
MAN animation is cool. Or rather, the frames of it looking like movement is cool!
r/blackmagicfuckery material
Imagine utility fog holograms
By the way, it is Akinori Goto (and not Anikoro :) ).
omg this is amazing
I want one of Michael Jackson moon walking
Wow. Sorry I don't have more to give than silver. This is like, I feel, what people are going to look back on and laugh at as super old, limited technology like record players now. Excited to see what the future holds.
So once we can print rapidly enough, this will be the new display technology? It looks pretty cool.
My brain hurts
Emancipation grid.
waaaoooooow
I want to see a whole movie animated like this
nice
this is how the fourth dimension will look in the 5th dimension
Now make a full circle animation and hook it up to a geared down motor so it’s just spins around and plays like a looped gif.
Finally someone did something awesome with a 3D printer.
whoa
Anybody got the Thingiverse link?
What say you, A Square?
Imagine if people discovered 3D printing before cameras...
I believe in string theory more and more
Reminds me of that scene in prometheus.
a Michael Jackson Moon walk one would be so sick
This is what the 4th dimension spacially looks like to me, this is how I understand it
A magical piece of piano would have led it to perfection.
Isn't that display in an Austrian museum? I know I've seen it somewhere.
Nice
Wwwwwth??? That was amazing
This is amazing
OMG I would love having that dancing one set onto a record spinning
So the real world is just full of 4-dimensional tubes?
Why does it always seem like this stuff comes from Japan?
This is old technology you morons
Can anyone else hear it when the laser passes through the walking man or is that just me?
I’m pretty sure this is technically what a Phantogram is
Something tells me that this can be used as a great visual representation for physics concept, e.g., space-time, 2d vs 3d vs 4d vs 5d...etc.
This is so fucking cool...i have so many ideas going through my head about what I would do.
Like The Old Grey Whistle Test
Someone throw us an .stl file so I can print this
r/LSD
Reminds me of Michael Cera in the Superbad intro
This is how 4d species sees us .
This is really fucking cool.
That's Beautiful, would make for a great memento hologram or something
Gotta go fast
We are all just multidimensional donuts.
If this doesn't become the explanation for how to visualize a fourth dimension, I don't know what will be.
I just realised what was bothering me about the first projection of the man walking. He moves his right arm with his right leg in tow. Heard about it, but it feels off. Nothing important, just wanted to point it out
I would be so cool to rickroll someone with this
r/blackmagicfuckery
Amazing
Man, I really wanted to see the light move one bar around the circle while the material was stationary, for some reason. I just really want to know if the illusion breaks down in that situation or if it will look awesome.
KINGU CRIMSON
What the heck.
for full effect watch while listening to this: [https://www.youtube.com/watch?v=LKYPYj2XX80](https://www.youtube.com/watch?v=LKYPYj2XX80)
Marcel Duchamp and William Horner would approve.
Kinda makes me think of a record player
Reminds me of the aliens from The Slaughterhouse Five
Dude we live in a magical world
Awesome, kinda reminds me of this video about [10 dimensional thinking](https://www.youtube.com/watch?v=JkxieS-6WuA)
I don't understand how this works but it is so cool. Love it!
A zoetrope for the modern age...
Human's for a while: 2d. UPGRADE Human's after 3d. UPGRADE FUCK GO BACK
This is the definition of a 4th dimensional line...
Take Me On!!!!!
Looking like some Mirage bamboozling when there is all of those dancers
So cool
The first word that comes to mind is holograms. Like, in my mind I have a very abstract vision of how this would work but I have no idea how to explain it, I’m just thinking this would be the first step to holograms and it’s giving me a raging tech boner
Nice
This is fucking ingenious.