"Persistence of vision display" or POV display are LED devices that compose images by displaying one spatial portion at a time in rapid succession. One example are Hologram Fans [read more:

Very cool but what happens when someone goes to touch it 😬

I found it..

I suppose if you stepped to the side it would look flat, like on a TV. But what if they made it a spiny sphere? Would it look like a 3D object that way?

I have one at home. Very cool to look at. But the sofware is super annoying

I searched for POV. Not what i expected

So technically if I had a drone big enough I could create a hologram of a plane? Interesting.

Me: *is compelled to touch hologram* Also me: *immediately gets fingers/hand lobbed off*

That scene where Luke gets his hand chopped off in the fan blade.

That’s a lawsuit waiting to happen