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17 Jun 2002
Display technology at US-based Sandia National Laboratories opens up new possibilities for complex system studies.
Scientists at US-based Sandia National Laboratories have unveiled a new display technology that can only be described as mammoth. A 3 by 4 m screen displays images that comprise 20 million pixels and move in real time. Designed to help scientists study complex situations, such as fires and crashes, the system is also useful in microsystems, nanotechnology and for biological explorations.
"Our target is to reach 64 million pixels," said the project's director David Heermann. "However, beyond this you are approaching visual acuity, which means that the eyeball is the limiting factor, not the screen."
The display forms part of a "high-precision power wall" that comprises a set of 16 projectors and the screen. Images are created through parallel imaging. A cluster of 64 desktop computers split their total data output across the 16 projectors, which, arranged as a 4 by 4 set, project the image onto the screen. According to Heerman, the result is a system with a huge bandwidth and low levels of latency that are ideal for a "shared group of people."
"To my knowledge, the screen is not only the clearest in the world, but also the fastest in rendering complex scientific data sets," said Heerman. "We are now looking to scale down the technology, but are limited by how close the projectors can focus."
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