I am trying to formulate some new ATM however I had a few questions about Holograms.

Is it possible to describe a 2 dimensional to 4 dimensional hologram?

What I am trying to imagine is that the world is 2 dimensional, however depending on our conscious perspective we see / feel/ observe the universe as 4 (n) - dimensions. The two dimensional hologram would need to have enough information for us to create our n-dimensional space-time.

our perception of the hologram would depend on our relative state of energy.

In any case I dont want to present my ATM here. But I was wondering if someone could elaborate on 2d - 4d holograms.

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What do you mean by Hologram? It seems to me that you are trying to call something that isn't a hologram a hologram cuz the answer to this is simple but it doesn't make sense with what your asking...

Like I want to project 2d to appear 4d.

Similar to holograms that project 2d to 3d

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...ummmm what do you mean by 4d? Do you mean a representation of 4d? like the tesserect? That's the best you can do...

No.

I can put water in a jug (3D object), cap it, and the water can coat 100% of the interior without being able to escape.

That and the fact that mass is real. Can't have mass with an infinitely thin 2D world...

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Perception isn't reality. It's merely an abstraction thereof, and quite often not a very good one at that.

I am human. Fully human.

Yeah well like our space-time ...

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But what makes it 3d? Also what makes mass ...

I think both could be explained through consciousness

If we perceive time and only through consciousness are perceiving the flow of time and space-time is a perception of space and time and that things are only relative to us even the order of events can not be agreed upon. Then I would want to believe that consciousness at least in part defines our dimensions. Could the limit of the speed of light be a manifestation of our conscious perception of the flowing of time.

Sorry again ... too deep into the ATM part.

But the thought is what is the simplest way to represent a perceived 4-d space-time ... in the way that a hologram can recreate - 3d from 2d ...
could this be done to create at least an illusion of a 4d space-time ( lets assume space and time dimensions are the same )

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Holograms don't create 3d from 2d though, it's an illusion.

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Exactly ... so can one create a 4d illusion from a 2d thing.

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You'll have to move to another universe.

No, seriously, you should investigate how holograms are made to see why you cannot do this. A hologram is a special projection from a 3D thing onto a 2D thing. We have no examples of things which visibly have 4 spatial dimensions, so.... no.

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Everyone is entitled to his own opinion, but not his own facts.

I don't understand this. The usual hologram is a projection into three space from a three-dimensional film. The view changes as the viewer moves, or vice versa.

To create the illusion of 3D space from a 2D surface you need a number of things

#1 a way to track the face.
#2 multiple images from slightly different angles

The easiest way to get a hologram is take a card and create triagles it... on one side of the triangle edge put on image on the other put the same image from a slightly different angle. The triangles have to be super small, but that's how it is done...and it's called a holograph cuz it on a card...

now...a hologram is in open space. The most advanced method we have for that right now is we have a thin micro vapor fog that we project an image on to. We then put a tracker on a persons head and as the person moves the image moves in concert with the person. The mind sees the movement and projects the image outward using various visual techniques.

Now... as far as 3D image to look 4D...Here's the problem 4D means either time... or a spatial dimension we can't perceive. So to create it we need to be able to see multiple places in time at once, which we can't as far as we know OR need to be able to perceive things which we can't. So even if it "possible" it we can't perceive it so the answer to any reasonable person following scientific evidence is no it is not possible.

Cougar; Has it right. True three dimensional imaging requires three camera angles and to see it, three projecting points. This is a three dimensional universe with time as a added reference. Not a forth dimension as the others are spacial. Time is not. The standard photo is two dimensional.
About holographic imaging... A good graphics card and a reasonable computer can give the appearance of three dimensional imaging. It is not. It just looks like it. Your eyes can be fooled.

OK thanks all ... I think you have answered my question.

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Actually, it's explained through physics, which is a thoroughly explored and understood realm, and not one of our own imagination.

Ok...

Sorry, tommac, you lost me here. It's not that I don't understand your approach, what you're trying to put forth. It's just that having lived in this physical realm for so long, having learned what I know of it, down to some very deep physics, I know that what you're proposing is the stuff of pulp science fiction.

If you want to write a novel, novella, or short story on your approach, be my guest. Just don't try and pass it off as reality.

No.

Not unless you've invented the hologram movie (wasn't there one out there with perhaps Natalie Wood and Rutger Hauer a few years back?)

Again, SF, not reality.

Having said all that, back in 1986 a friend e-mailed me a Basic program which generated a dual-image (right and left eye) hypertesseract (sp? probably wrong).

It fascinated me, as it was rotating in and out of our space-time. I would stare at it for hours. Then, one day, my brain did some sort of flip and all of a sudden I was seeing evolving and devolving in and out of our space-time.

I gave it a few days.

When I revisted it, I realized the effect was still there, and... I'm at a loss for words. It's very difficult to describe what I "saw." A three-dimensional projection via binocular vision of a four-dimentional event.

Later excursions into this yielded even more "dimensions."

I quit at seven as my brain was about to explode.

The point is that while we can imagine higher dimensions, we've little proof, yet, that they exist, or that they're not tightly folded sub-units of our own dimension.

Back to your OP, no, tommac, we're not flatlanders living in an imagined world.

__________________
I am Mugs, of the Alien clan of Usa, Nordamerica, a Terran, of Sol.

Perception isn't reality. It's merely an abstraction thereof, and quite often not a very good one at that.

I am human. Fully human.

The flow of time has to at least be part consciousness.
I believe the math would all work without taking the constant and relentless flow of time into account.

delta x / delta t would still be there. What I am talking about is the flow of time. Not the dimension of time.

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"Banned by BAUT" Alumni (2008)