Screens are great until they’re in the way. The work I’m drawn to now doesn’t add another rectangle; it removes it. Light is persuaded to hang in the room itself—on a sheet of engineered mist, inside a vibrating volume, or at a fixed point in mid-air—so you read an image the way you read weather: as something in front of you, not on top of something else.

Walk-through fog is the classic sleight of hand and still the most theatrical. A FogScreen unit drops a thin “dry” curtain you can literally pass through; any bright projector turns that veil into a doorway, a reveal, a moving wall that doesn’t exist five seconds later. Museums, retail and events use it because the rig hides in the ceiling, it feels cool not wet, and the choreography writes itself—enter, dissolve, reappear. FogScreen+1

Industry has been quietly scaling the idea. Panasonic’s “silky fine mist” repurposes outdoor climate hardware to atomise water so finely the droplets barely register on skin. Train stations use it for cooling; expo demos use it as a free-standing projection surface you can aim at from odd angles. It’s big, heavy and power-hungry, but the payoff is a stable, wind-tolerant canvas made of air. The Verge

The most radical step is volumetric, where the “screen” is a moving volume you can reach into. FlexiVol, shown this spring, stretches a thin elastic diffuser and oscillates it thousands of times per second; high-speed projection paints each slice fast enough that your eye fuses them into a single 3D object. Because the diffuser is soft, you can poke the volume and feel a faint push-back—light with the hint of surface tension. No glasses, no gloves, just hands. ACM Digital LibraryDisplay Daily

There’s also a quieter optical trick that filmmakers love: aerial imaging by retro-reflection (AIRR). Pair a half-mirror with retro-reflective film and you can hang a crisp virtual image at a specific point in space with minimal stray light—great for a face hovering in a stairwell or for camera work where reflections would normally betray the setup. It isn’t volumetric, but it’s bright, sharp, and scalable. ACM Digital LibrarySpringerLink

And yes, those spinning “hologram fans” in shopfronts are everywhere. They earn their keep as kinetic signage—persistence-of-vision blades painting imagery in mid-air—but bring noise, moiré and safety trade-offs that kill the mood in a quiet gallery. Spectacle, not sculpture. Virtualon GroupYouTube

What ties these paths together isn’t a gadget; it’s a change of posture. Once the image leaves the panel, space becomes the instrument. A fog sheet can be a door that remembers the shape of everyone who walked through it. A volumetric diffuser can make breath into a brushstroke. An AIRR rig can tuck a luminous object into a corner of the world and ask you to meet it there. The building stops hosting pictures and starts negotiating with light.