Flying pixels have the potential to offer a more immersive three-dimensional (3D) viewing experience than 3D television sets, according to engineers at the Massachusetts Institute of Technology (MIT). The engineers describe their unique 3D display, called Flyfire, as a flock of tiny aircraft carrying multicolored light-emitting diodes (LEDs). The pixels can hover in front of a viewer and form an image, but they also can change their position to add greater depth to the image. “It’s a 3D display with a dual aspect–it can show an image like a traditional display, but then those pixels can move and transform into another shape,” says MIT’s E. Roon Kang. The initial proof-of-principle experiments used quad-rotor helicopters more than 10 centimeters across, and the precise control of their altitude was within three centimeters. Kang says it could take at least five years to make a display with 1,000 or more of the small flying pixels. MIT’s Emilio Frazzoli says onboard controls and a central control system also will be needed to coordinate pixel movement.
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Academics and software engineers from the universities of Edinburgh, Manchester, and Southampton have established the Software Sustainability Institute (SSI), which will partner with about 30 to 40 research communities across the United Kingdom to develop ways to keep their software current and to help them develop it to meet new requirements. SSI will optimize strategies for sustaining software and provide communities with best practices for improving it for future users. “The issue at the moment is that there are no coordinated ways of sustaining important research software once it comes to the end of its funding,” says SSI director Neil Chue Hong. “The creation of the SSI will ensure that important software is sustained so that it can continue to contribute towards high quality research.”
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A project funded by the Engineering and Physical Sciences Research Council and led by University of Nottingham researchers is developing a new computerized approach to scheduling airport operations that is designed to reduce delays, speed up baggage handling, and decrease pollution. The project aims to computerize and coordinate the scheduling of take-offs, landings, gate assignments, and baggage handling. The end result will be a search engine capable of analyzing the billions of possible scheduling combinations to provide the controllers with the most efficient courses of action. Currently, these four areas are organized manually by staff members who make decisions based on observations, reports, and experience. The scheduling improvements will make flying easier for passengers and reduce pollution by minimizing the time planes spend on the ground with their engines running. The project will develop computational models for each of the four areas of operations and determine how to run those models in conjunction with each other. One of the critical issues is how long an airplane needs for preparation on the ground before it can take off. Preparation includes enough time for the safety briefing and warming the engines. Sending a plane to the runway before either of these steps has taken place will cause delays on the runway that could affect other flights.

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The Partnership for Advanced Computing in Europe (PRACE) has been researching promising petascaling techniques, as well as related work on optimization techniques and the study of software libraries and programming models suitable for petascale computing. The combined work has laid the foundation for the efficient exploitation of the upcoming Tier-0 systems. The applications studied cover a variety of scientific areas and represent European high-performance computing use, with most of them originating from the European scientific community. The applications were ported, evaluated, and scaled on the PRACE supercomputer prototypes. Each application was ported to an average of three prototype systems. Porting to cluster-based systems encountered the fewest problems, while programs that were ported to Cell-based prototypes required a major time investment. PRACE researchers say it was essential to tune the options and parameters used when compiling and running a program, such as the choice of numerical libraries and compiler options. The project developed a tool for studying optimal compiler options and platform-specific recommendations. PRACE researchers also explored the programming models and software libraries required by petascale applications, and completed a survey and analysis of the new upcoming programming models and languages suitable for such programs.

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