Tuesday, March 1, 2011

projection on the film of air

When I was a child, I loved to watch the Star Wars Trilogy. One of the coolest visual effects used in Star Wars are the mid-air holograms shown in the film.
 Not that long ago, such a cool invention was thought to be impossible. With the latest in mid-air video projection technology, such impossibility has been proven to be a possibility.

Meet th...e Heliodisplay, a free-space image and video display created by IO2 Technologies.

The Heliodisplay projects an image on to a very fine layer of mist. The mist is almost invisible in many cases.

This invention was created by a man by the name of Chad Dyner, who came up with the first prototype which he built in his apartment. Dyner later founded IO2 Technology to further advance his concept.

The Heliodisplay can connect to any personal computer with a USB port, and runs for several hours on a liter of ordinary tap water. The best part, however, is that the mid-air display is interactive! This means that with a stylus, a laser pointer, or even just a finger, you can control what's on the screen. Imagine using this to play video games on!

Of course such a device still has flaws. Because the Heliodisplay is mist-driven, it has been reported that a slight breeze can cause the image to fade or go invisible. Demo videos also show that the image can sometimes be wavy or dim depending on the lighting. Many people see this as a let-down, but I see much potential in the Heliodisplay.

What will this technology be used for in the future? It may be good for military use, since it can be used to display graphs and maps on. I believe it will also be a great thing for children, since it can be applied to games which will require them to interact with their hands as opposed to using a simple controller.

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