8th November 2008, 12:48 AM
well dur.
The CNN anchors were not really speaking to three-dimensional projected images, but rather empty space, Kreuzer said. The images were simply added to what viewers saw on their screens at home, in much the same way computer-generated special effects are added to movies.
Kreuzer said the images were tomograms, which are images that are captured from all sides, reconstructed by computers, then displayed on screen.
But this:
Kreuzer said technology is not far from being able to produce what CNN had tried to do, although capturing and projecting holograms of big objects like people is still a ways off.
Holographic images are generally captured and projected using coherent light such as lasers. A laser would need to be more than six feet in diameter to capture a person's image, which Kreuzer said is impossible because such a light would be blinding.
It may soon be possible to capture and project large objects using other sources of coherent light, such as light-emitting diodes. LEDs are considerably cheaper and safer than lasers, Kreuzer said.
"There will be some rapid development now because of the cheapness of these LEDs," he said. "You can use a thousand if you want."
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Virtual Boy 2. You cant un-think it!
The CNN anchors were not really speaking to three-dimensional projected images, but rather empty space, Kreuzer said. The images were simply added to what viewers saw on their screens at home, in much the same way computer-generated special effects are added to movies.
Kreuzer said the images were tomograms, which are images that are captured from all sides, reconstructed by computers, then displayed on screen.
But this:
Kreuzer said technology is not far from being able to produce what CNN had tried to do, although capturing and projecting holograms of big objects like people is still a ways off.
Holographic images are generally captured and projected using coherent light such as lasers. A laser would need to be more than six feet in diameter to capture a person's image, which Kreuzer said is impossible because such a light would be blinding.
It may soon be possible to capture and project large objects using other sources of coherent light, such as light-emitting diodes. LEDs are considerably cheaper and safer than lasers, Kreuzer said.
"There will be some rapid development now because of the cheapness of these LEDs," he said. "You can use a thousand if you want."
--
Virtual Boy 2. You cant un-think it!