How 3-D Works [Pic/Diagram]

Submitted by: fancylad 7 years ago in Science

And now you know how the magic works.
There are 49 comments:
Male 22
I love 3D movies, but I HATE movies that make poo fly 3 inches away from your face for no reason whatsoever. That`s like watching a play with the actors throwing tennis balls at you every 10 minutes.
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Male 157
it`s fudgen ghey. i had to watch avatar two times (second without the 3D) coz it focused on what they WANTED me to focus on. it didn`t give me the opportunity to enjoy the moments in the film where your eyes can just wander & explore the rest of the screen. i kinda resented being told what to look at & when...
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Male 758
DarkFerret-
But do you really feel like paying $15 a ticket at the theater?
Not to mention all the fancy crap you`d have to buy to watch the dvds at home...
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Female 2,695
the new ones work so that people blind in one eye can see it in 3d
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Male 1,089
3d is cheesy, i hate it.
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Male 129
i always felt that IMAX 3D was better than 3D and 3D was not as much better than 2D
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Male 1,834
cool
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Male 2,748
technically... we see in 2D and shadow and perspective give us "depth". life is like one really well done perspective drawing, cept you can walk in it :P ALL MOVIES SHOULD BE IN 3D CUZ IT ADDS SOOOOOO MUCH TO IT!!!
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Male 185
3d. It`s amazing to people who do not know how polarization works.
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Male 236
"@paddyt07 and Enchilada, of course you can see in 3D you idiots, it`s called reality."
i agree with idontknow951. we see in 2D and our brain processes it as 3D. you idiot.
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Male 907
"@paddyt07 and Enchilada, of course you can see in 3D you idiots, it`s called reality."

Actually, we see 2D slices of 3D space.

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Female 1,283
[quote]of course you can see in 3D you idiots, it`s called reality.[/quote]
This has to be the comment of the day.
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Male 55
@paddyt07 and Enchilada, of course you can see in 3D you idiots, it`s called reality.
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Male 670
I personally found autostereograms to be the coolest until I saw that last one, which looks much better.
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Male 1,067
"I feel left out :( I can`t see in 3D! "

Me neither although that`s probably due to the fact I`ve had a lazy eye since I can remember ):

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Male 1,371
TL;DR
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Male 93
neat!..
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Male 606
As far as I know, Avatar was done with Polarized 3D, hence the similar-color lenses on the glasses.
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Female 931
I feel left out :( I can`t see in 3D!
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Female 117
Parallax barrier is how they make those new 3D TVs. i literally thought you had to wear 3d glasses all the time
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Male 10,440
I like this parallax barrier. More science please!
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Male 10,440
I didn`t watch avatar in 3-d cause I didn`t want it to be all in red and blue, I guess it was mostly blue anyway.
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Male 208
where is stereoscopic
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Male 25,416
wow polarized 3d glasses are not expensive

http://cgi.ebay.com.au/Vintage-Polaroid-...

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Male 75
I have NEVER even heard of th "parralax barrier"
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Female 612
"wow they have 3d movies without glasses? i gotta see this..."

No, televisions I think. They are apparently going to be the next big thing now that everyone has flat screen or LCD.

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Female 15,763
And nooooooone of it works on me. :|
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Male 2,199
wow they have 3d movies without glasses? i gotta see this...
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Female 71
that was supposed to be my invention! god damnit
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Male 928
Cool!
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Male 15,510
Red and Blue Glasses are the past now, hurray for Polarized Glasses!
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Male 5,194
>>How crappy stereo-vision movies that you have to wear those stupid glasses for works

Fixed.

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Male 586
to much science.
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Male 15,832
Red-blue 3D sux, but it only needs one projector, and it works on current TVs and monitors.

Polarized 3D can`t work on today`s TVs since they can`t control the polarization (LCD TVs are already polarized in one direction). Sony and Samsung said they`re coming out with 3D TVs soon. They didn`t say how they worked, but I assume the two imaged are interlaced, line by line. I hope they are smart enough to polarize the images at 45 and 135 deg. (/\) rather than 0 and 90 deg. (-|) as shown above.

The parallax barrier only works at a very specific angle and distance, and that depends on how far apart your eyes are. You have to sit very still or look through a set of fixed peepholes.

Polarized 3D is the way to go for home or theater. For people who don`t like it, they can give out glasses with both lenses polarized in the same direction so they only see one perspective. For home, you could switch the player from 2D to 3D and only have to have 50% more info on the disk.

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Male 68
"Anyone else fuicking tired of the ads??? Shiiiiit. I can`t do it anymore. >_<"

actually, my ad-blocker blocks the new ads that everyone got really pissed off about. What are they? pop-ups when you click on links?

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Male 1,465
Parallax barriers? I`ve never heard of those...sweet
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Male 2,690
Nothing new, but cool anyway
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Female 3,574
I wonder what it`s like growing up and every movie you see is in 3d.
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Female 876
Anyone else fuicking tired of the ads??? Shiiiiit. I can`t do it anymore. >_<
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Male 2,159
Why is 3D on the rise? If 3D gaming takes off I might go outside in protest.
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Female 342
3D movies make me sick. Headache, nausea.. even my eyes hurt. I hope this whole 3d craze is just a fad and dies quickly...
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Male 447
Am I the only one in the world who hates this whole 3-D thing? I remember this got big in the 90`s and then died, so I`m hoping for that to happen again.
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Female 9,475
I kind of knew this already.
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Male 6,694
I must have 3D T.V. !
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Male 3,322
I know the traditional Red Blue 3D is always projected as one image. It`s filmed as two, but projected as one.
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Female 65
so thats why watching 3D movies gives me a major headache and nausea!
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Male 1,039
I love a really well made Blu-Ray movie. They can look almost 3-D at times...it`s beautiful.
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Male 1,403
whats with all the infographics/diagrams lately?
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Male 20,169
Link: How 3-D Works [Pic/Diagram] [Rate Link] - And now you know how the magic works.
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