Just a correction re the article, in that I thought initially a laser was being used to "paint" the building also. What happens instead, is that a handheld laser-pointer is used to tag the building and a camera discerns the contrast of the laser on the building to then output through a DLP video projector the actual tag. The DLP projector is doing the grunt work of projection and not the laser -- much safer!!posted by grobstein at 10:31 PM on February 20, 2007
What if the U.S. projected a holographic image of Allah floating over Baghdad urging the Iraqi people and Army to rise up against Saddam, a senior Air Force officer asked in 1990?The USAF's Air University has a few more details about the airborne holographic projector concept.
According to a military physicist given the task of looking into the hologram idea, the feasibility had been established of projecting large, three-dimensional objects that appeared to float in the air.
But doing so over the skies of Iraq? To project such a hologram over Baghdad on the order of several hundred feet, they calculated, would take a mirror more than a mile square in space, as well as huge projectors and power sources.
And besides, investigators came back, what does Allah look like?
The Gulf War hologram story might be dismissed were it not the case that washingtonpost.com has learned that a super secret program was established in 1994 to pursue the very technology for PSYOPS application. The "Holographic Projector" is described in a classified Air Force document as a system to "project information power from space ... for special operations deception missions."
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posted by odinsdream at 9:46 PM on February 20, 2007