Disney proto holodeck?

[Ronald Held]

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[publiusr]

Others are moving even closer to the Holodeck:
https://techxplore.com/news/2024-04-recreate-star-trek-holodeck-chatgpt.html

Perhaps for your smartphone:
https://phys.org/news/2024-04-smartphone-screen-3d-layered-holographic.html

It astounds me what has happened in just the last five years.

Big screen

Mass production may soon make ultra-large nano transparent screens accessible to everyone

A super-sized Nano Transparent Screen (NTS) has been developed and commercialized for the first time in the world. This innovative screen can adjust its transparency according to the environment and can be produced at a low cost, paving the way for the widespread adoption of large transparent...

techxplore.com

 

[publiusr]

Another advancement is currently making waves:

Scientists find quasicrystal metasurface projects holographic images and light patterns simultaneously

Scientists have advanced metasurface technology by developing a new design that simultaneously projects holographic images and creates special diffraction patterns with ten-fold rotation symmetry of quasicrystal. This ultra-thin material merges the unique properties of quasicrystals with light...

phys.org