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Now Tie Jun Cui and Qiang Cheng at the Southeast University in Nanjing, China, have turned Narimanov and Kildishev's theory into practice, and built a "black hole" for microwave frequencies. It is made of 60 annular strips of so-called "meta-materials", which have previously been used to make invisibility cloaks. Each strip takes the form of a circuit board etched with intricate structures whose characteristics change progressively from one strip to the next, so that the permittivity varies smoothly. The outer 40 strips make up the shell and the inner 20 strips make up the absorber. "When the incident electromagnetic wave hits the device, the wave will be trapped and guided in the shell region towards the core of the black hole, and will then be absorbed by the core," says Cui. "The wave will not come out from the black hole." In their device, the core converts the absorbed light into heat.
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If components are to continue shrinking, physicists must eventually code bits of information onto ever smaller particles. Smaller means faster in the microelectronic world, but physicists Lev Levitin and Tommaso Toffoli at Boston University in Massachusetts, have slapped a speed limit on computing, no matter how small the components get. "If we believe in Moore's laW ... then it would take about 75 to 80 years to achieve this quantum limit," Levitin said. "No system can overcome that limit. It doesn't depend on the physical nature of the system or how it's implemented, what algorithm you use for computation … any choice of hardware and software," Levitin said. "This bound poses an absolute law of nature, just like the speed of light."
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Taipei, Taiwan - October 12, 2009 - SPARKLE Computer Co., Ltd., the professional VGA card manufacturer and supplier, today announced the SPARKLE GeForce GT 220 Graphics Cards the first NVIDIA graphics cards based on advanced 40nm process, they bring better graphics processing power with lower power consumption.
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Brea, California and Munich, Germany - October 12, 2009 - EVGA, the leading-edge 3D processor graphics cards and motherboard manufacturer, announces the EVGA GeForce 210 and GT 220 graphics cards, offering great price, performance and features. The 210 and GT 220 products offer DirectX 10.1 support, NVIDIA PhysX technology, HDMI 1.3a ouput and NVIDIA CUDA technology meaning these new cards are essential for any media PC!
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WAYNE, NJ, October 13, 2009 - JVC today announced the launch of its first pocket flash memory camera, the new PICSIO GC-FM1. PICSIO is designed for those who want a small, simple, camera that allows easy sharing and delivers high quality video and still images.
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With retail and consumers alike still getting to grips with the prospect of shelling out £54.99 for November’s Call of Duty: Modern Warfare 2, Activision CEO Bobby Kotick has admitted that he would like to push prices even higher.