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I just came across this, wanted to share it, what do you think? It claims to be the first safe, scalable system for real-time, mid-air, interactive volumetric visuals; no screens, headsets, or enclosures required.

He has some videos on his instagram @damienblaise

P.S.: Sorry if the submission format is not correct, is my first time publishing.

So it's a laminar flow fogscreen with 3d tracking of digits/inputs? Is this limited to single-viewer perspective then?

99% sure this is not novel (https://www.mdpi.com/2414-4088/7/7/63), but a cool combination of several ideas including tracking the eyes of the user to render content and a more detailed input tracking system. The real innovation here seems to be using multiple projectors vs a single one to get closer to a point-cloud style display.

Quite an innovative concept. Since it's laser-based, you could theoretically use an unlimited number of projectors to reduce the smearing effect, trading some contrast ratio and black levels for cleaner volumetric imagery.

The biggest limitation is that the individual fog particles aren't controllable. The next step is likely some form of selective blanking of the volumetric reflectors, in this case, the water droplets. This feels like the next evolution of FogScreen: interactive, true 3D volumetric imagery with depth.

Also, it does NOT require all viewers to share the same viewing angle. It's a TRUE volumetric display, with the main caveat being projector-axis streaking. That streaking artifact could likely be reduced by tightly controlling both the viewing area and projector placement.

I'm really excited about the entertainment, media, and retail applications once this becomes a safe, commercial product. Very cool technology, and a great team behind the prototype. I'll be watching this closely.