While we’re still a long way off from the Star Wars telepresence holographic displays ... to create a laminar sheet of water vapor. Put a projector behind this thin sheet of vapor, and you ...

An curved arrow pointing right. It's really simple to build a projector for your smartphone to be able to project the same types of holograms seen in Star Wars and other movies. Here's how!

Place the hologram projector on the mobile phone screen in the center of the video, with the small part of the cone down.

Each reflects two-dimensional info back from a screen either mounted ... from 9.8 inches away (more compact projector packaging is another benefit of these holographic HUDs relative to earlier ...