Yeah, Hank Green started making them after his wife got a headache watching a 3d movie: http://www.2d-glasses.com/
this post was submitted on 12 Jan 2025
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Ha, that's actually awesome :D. Dang, maybe I even heard about that years ago, forgot about them and now thought I'd just have had a nice comic idea. Oh well, however the synapses fire, I guess Β―\_(γ)_/Β―
Guess with your link I won't do him any favour if I take this down as unoriginal, so I'll just leave it up and consider it free advertisement for him.
/edit Also, I don't think he came up with the idea of showing Frozen and Die Hard in the same cinema so you can enjoy a theater with your kid while avoiding Let It Go, so at least that part's an original idea ;). Yeah, that'd require headphones.
Many places already offer headphone listening over a specialized radio broadcast iirc. So, it is still doable.
Like a silent disco, including with the sticky floors and general awkwardness of it all.
Tilting your head shouldn't make a difference as 'modern' (as in the ones that cinemas started using fifteen years ago) 3D glasses use clockwise and anticlockwise circular polarisation filters, and obviously, turning something 90Β° doesn't change whether it's clockwise or anticlockwise. Other kinds of polarisation filters do care about being rotated, which is probably where the artist got the impression it applied to 3D glasses, but it would be dumb to try and use that kind as obviously, people tilt their heads.
Wouldn't it still look weird because the two images are offset in a different axis than your eyes?
It can make it look a bit weird (and be one of the things that makes people nauseous), but most people's brains are good enough at figuring it out that it's not a major problem. It wouldn't make a difference to the situation in the comic, though, as in that frame, they're talking about making both lenses match to pick between two 2D movies, so there'd be no offset anyway.
Huh I guess I haven't been to a 3d movie in quite some time. I definitely remember had tilting used to work
3D IMAX was way later to using circular polarizers (if they ever switched). Were you only watching 3D in IMAX?
Probably a mix. This was at Cineplex in Canada which also does the IMAX shows here. Maybe they were just behind the curve
I don't know what modern means here, but the cinemas I go to still use the same glasses as from the beginning of 3D movies.
Anaglyph 3D (with the red/cyan, or lower-quality red/blue filters) has been around since the 1800s (3D films predate talkies by decades), but was much more of a gimmick and wasn't used for big-budget serious films as it ruined the colour quality, mainly being used for 1950s B movies. There were a bunch of other methods used between the 50s and 2010-ish like regular Polaroid filters (which did stop working when you tilted your head like in the comic and were a hassle for other reasons) and active shutter (which relied on expensive and heavy glasses with electronics in). The newer kind that relies on circular polarisation became available since the turn of the millennium, with Avatar in 2009 being the film that made most cinemas buy new projectors. Those glasses made 3D films viable as the standard for a few years, before people generally decided that most of the time, being 3D didn't add enough to the viewing experience to be worth paying extra for and studios decided it wasn't elevating their art enough to justify the extra production costs if people weren't going to pay a premium.
people generally decided that most of the time, being 3D didnβt add enough to the viewing experience to be worth paying extra
Because most of them were just 2D movies converted to 3D in post. Doing that tends to look like crap. The ones filmed for 3D, like Avatar, looked amazing, but studios didn't want to wait for the next wave of films and wanted 3D now with what they already had.
When I said the beginning of 3D movies, I meant the Avatar Era. And the ones I usually see are normal polarised, not circular. And to me it's still a stupid gimmick thst adds nothing positive to the experience of watching a movie.
Unless your local cinema got a good deal on a projector from a 1980s theme park 3D movie, it's definitely using circularly polarised filters. If you've tried tests like putting the lenses from two pairs of the glasses or one pair of the glasses and one pair of regular polaroid sunglasses next to each other and rotating them, that'll still make them get brighter and dimmer like with linear polarised filters, as passing through the filter can change the polarisation to elliptical, and that means it'll be affected by rotation when it gets to the second filter.
Used to fantasize about these being used to play local multiplayer without having to split the screen
Iirc Sony did this with the PS3 and their own PlayStation branded TV.
Sony patented this in 2010 to allow people to simultaneously watch two different videos on the same TV.
So I have a lazy eye and went to a 3D Aquatic documentary on a family trip. Basically watching it with one eye because of partial functionality in my bad eye.
Something happened like 30 min in during a scene with jellyfish and my brain turned on 3D and everything popped out me. Totally tripped me out.
Doc always said my brain relies more on my good eye and I think it decided it needed the bad eye during the flick. Pretty cool.
Makes me think of the asdfmovie when someone accidentally turned on the color.
Accurate. I gripped my armrests and pressed my back into my seat in silent shock.
I forgot 3D movies were still a thing. I only ever saw Avatar and Coraline in 3D.
Even after the camera for it was invented (for Avatar, iirc) most studios just filmed in 2D and converted it to 3D, which looked awful. So on the one hand you have a small number of movies, like Avatar and Coraline, filmed in 3D and looking gorgeous, but on the other hand you have a ton of movies filmed in 2D and hastily converted to 3D to cash in on the success of the ones filmed that way. Those movies looked awful and pretty much killed the trend.
However, the theaters still had the equipment to show them because it's not like there's really anyone to sell it to, and the 3D cameras are still out there, too. So every once in a while someone decides to put that equipment to use. It's not many, though, and most 3D movies are still 2D conversions, so you don't get much out of viewing them in 3D, and the conversion process and the display tech can actually make them look worse than just watching the original 2D version.
The first time I saw this concept was in the sci fi novel Who Goes Here? by Bob Shaw back in 1977. The main character goes to a theatre that shows x rated adult films and childrenβs movies on the same screen, and what you see depends on which glasses you are wearing. Some teen tricks the main character into trading glasses with him if I remember correctly.
Here's fun trick: rotate the glasses 45Β°, see which movie you get to see, it could go either way!
The thing that I don't like about '3D' movies is that they're clearly flat 2D images like a bunch of cardboard cutouts with a bit of trickery to get certain things to stand out more than others, and I can't see it as anything else. I can lose myself in the movie for moments at a time but am constantly pulled out of it and back into the real world every time something fucky happens with my perception or I try to look at a detail in the background that just stays blurry.
Hmm I should get one of these, pretty good idea
I can't see well through those 3D glasses. Not headache they just don't work right; I have a lot of trouble with binoculars as well, was profoundly nearsighted so maybe that's a factor. It's fine, except for the bits of action movies that seem to have been filmed for 3d and look strange in the 2d version.
I do have depth perception in real life just not through those glasses, though I haven't tried in the last few years.