According to an article from Reuters, two new display inventions represent the latest in computer displays by eliminating the screen completely. While not intended to replace computer displays, it could spark an evolution in commercial displays for product showrooms, museums and the like. Called the Heliodisplay and the FogScreen, they both work by injecting and modifying the air directly above them, to create a transparent screen where the image is projected.

"This is something that people have been dreaming about for a long time," said Chad Dyner, 29, a graduate student at the Massachusetts Institute of Technology and inventor of Heliodisplay, one of the prototype display systems. "Ever since the movie 'Star Wars' came out and there was a distress call from Princess Leia," -- generated in thin air by the robot R2D2 -- "people all over the world have been wanting one of these."
The full Reuters article can be read at CNN here .