holograms

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Mr.Kalashnikov

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I thought they only existed in science fiction. Look at this picture:

story.vert.ap.moss.jpg


Read this article:

http://www.cnn.com/2006/SHOWBIZ/03/04/moss.fashion.ap/index.html


As the lights dimmed, a ghostly light appeared in a glass pyramid at the center of the stage. Slowly, a holographic image of Kate Moss floating in yards of rippling fabric began to take shape.
Guests cheered wildly as the life-sized vision revolved in 3-D -- a feat never before seen on the Paris catwalk
 
well, yeah, you know the ghosts in the haunted mansion ride at disneyland? holograms. but this sounds a lot more advanced.
 
The picture doesn't really say much, is there a video.
 
Help me, Obi-Wan Kenobi! You're my only hope!
 
the hologram in that video was put in post production. As of yet, there is no way to project a point of light into the air. What they can do is project light onto seemingly transparent surfaces (or gasses like smoke/fog). You can also have a screen behind the "hologram" that tricks your eyes into focusing on an imaginary object infront of or behind it. With enough miniature low power lasers, it would be theoretically possible to make an active holographic display. But I'm guessing the Kate moss holgram had something to do with projecting light onto a transparent surface, or some sort of embeded displays.
 
Yeah thats exactly what I was thinking about that hologram, you can even tell because it is TOO perfect. Its sharp, as if post production animation/rendering. And would a camera actually be able to see a hologram?
 
xzeox said:
Yeah thats exactly what I was thinking about that hologram, you can even tell because it is TOO perfect. Its sharp, as if post production animation/rendering. And would a camera actually be able to see a hologram?
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If your eye can see, so can a camera, I'd imagine.
 
I heard that they use films for holograms, don't they have digitals one yet?
 
Was it just me or did the Asimo robot look slightly like a dwarf in tupperware?

And it's also occurred to me that holgrams used as adverts/shop signs will be worse than a hundred neon ones. The horror.
 
I can't wait to replace my DVD player with a hologram player.
 
xzeox said:
And would a camera actually be able to see a hologram?
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spookymooky said:
If your eye can see, so can a camera, I'd imagine.
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Lol, Leave the thinking to those who are better suited for it xzeox.

hahaha

No seriously, the only things a camera can't take pictures of are imaginary friends and the ghosts of Christmas past, and Kimmie Meissner's chest( for more than one reason )

http://www.nbcolympics.com/athletes/5072354/detail.html?qs=;t=14;tab=Results
 
Que-Ever said:
well, yeah, you know the ghosts in the haunted mansion ride at disneyland? holograms. but this sounds a lot more advanced.
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Nope. The ghosts in the Haunted Mansion are reflections. You know how you look through glass and see what's on the other side of the glass and a transparent reflection of yourself? Same idea.

Take the ballroom, for instance. The Doom-buggy is moving along looking down over the room. Between you and the room there's a pane of glass tilting away from you (it's actually cracked, but they "fixed" the crack by making it look like a spiderweb). Above you, out of your sight, is the organist, dancers, and other ghostly elements of the scene. They're all tilted, almost sideways, so that their reflection in the tilted glass seems to be upright on the floor of the real room. Playing with the lighting up there can make groups of them fade in our out.

There are also many instances of having a 2d-projector projected onto panes of glass or unusually shaped screens, but these aren't holograms no matter what you learned on Scooby-Doo.
 
xzeox said:
And would a camera actually be able to see a hologram?
Click to expand...

No, because Holograms are Vampires.


And holograms are relatively simple technology involving lasers and diffraction gratings. Look on your credit card, there's probably one there.

I'll be buggered if I understand how they work though, it isn't something I took the time to learn.
 
kirovman said:
And holograms are relatively simple technology involving lasers and diffraction gratings. Look on your credit card, there's probably one there.
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Yeah, but that's nowhere near as exciting as REAL (and by "real", I mean "sci-fi", natch) holograms.
 
holograms are commonly used as a way to deter counterfeits - like on credit cards and Microsoft products.


I think its called a holograph if its a projected image like in Star Wars


..I guess.

you look it up
 
kirovman said:
Although making counterfeit holograms is pretty easy.
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Its just one part of a security system. On your front door you may have several locks. A lock on your doornob, an alarm system, a deadbolt, and a chain lock.

so you would need to pick 2 locks, cut the chain, and disable the alarm. If you only had one type of security, that wouldn't be very hard to defeat, same goes for holograms.


On software products that use holograms, its just one part. First you have to press the discs, then create a label that looks legit, the packaging, then the hologram with serial number imprint. Then you only have to find a place to sell bootleg software. I don't think there is a world of profit in this area.

In the end if you don't have a legitimate serial number you can't get updates and product support.


You could probably find a company to print up holograms to your specifications, but then they would be breaking the law as well, or they could report your attempt to conterfeit.


I'd say the most money would be in counterfeit money. :naughty:
 
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