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/tech/ - Technology

"Technology reveals the active relation of man to nature"
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File: 1633490258565.png (388.28 KB, 546x438, hologram.png)

 No.11965

How close are we technologically to creating 3d projectable holograms like in science fiction?

Is such a thing even possible by the laws of physics?

 No.11966

>>11965
>How close are we technologically to creating 3d projectable holograms like in science fiction?
they already exist but they need to be kept in light boxes
>Is such a thing even possible by the laws of physics?
yes your just getting light rays to travel at different frequencies in 3d space rather than on a screen

 No.11967

visual holograms already exist
holodeck shit from star trek may be physically impossible
even if you could do it it would probably be better/easier to do some matrix type shit instead

 No.11968

>AR technology
>VR technology
>tupac
etc etc etc

 No.11969

How does Miku do it?

 No.11973

Volumetric displays
https://www.youtube.com/watch?v=qTrfMHaI3Dk
you can buy the first ones now, but they only do photo. perhaps in the near future it will do motion and your tv will be volumetric making it feel more like a window then a flat screen.

 No.11980

>>11969
not a real hologram (like tupac and MJ),it's a 2D projection made on stage on an thin and transparent inclined surface that give the illusion of depth.

 No.11981

>>11965
The full hologram with light emitting voxels (3dpixels) floating in mid air without any substrate or mirror tricks are in the extremely early proof of concept stage with extremely crude projections.

One way to do is using lasers that ionize "dots of air" to create a small plasma bubble that briefly emits visible light like a glowing point source.
https://www.youtube.com/watch?v=ikuSPBZjkhw

Here is a more advanced one that can do some amount of tactile feed back and also sound by moving around a scan particle with acoustic energy
https://www.youtube.com/watch?v=tzWP-NL3Lck

 No.12083

>>11973
Lmao that looks like some shitty Chinese-made toy/decoration of some kitchy picture stored in a small packet of water that I would buy from a coffee stand for 0.99$

 No.12099

>>11967
what about shit like the holograms from star wars


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