System Bits: July 26


Mixing topology, spin MIT researchers are studying new compounds, such as topological insulators (TIs), which support protected electron states on the surfaces of crystals that silicon-based technologies cannot as part of the pursuit of material platforms for the next generation of electronics. They report new physical phenomena being realized by combining this field of TIs with the subfiel... » read more

Power/Performance Bits: July 26


Flexible MRAM Researchers from the National University of Singapore, Yonsei University, Ghent University and Singapore's Institute of Materials Research and Engineering embedded a magnetic memory chip on a plastic material, flexible enough to be bent into a tube. The new device operates on magnetoresistive random access memory (MRAM), which uses a magnesium oxide (MgO)-based magnetic tunn... » read more

System Bits: July 19


Using carbon nanotubes to leapfrog today’s silicon chips According to Stanford University’s Subhasish Mitra, associate professor of electrical engineering and of computer science, and H.-S. Philip Wong, professor of electrical engineering, the future of supercomputing might actually be really, really small. With support from the National Science Foundation, the two are working with IBM and... » read more

System Bits: July 12


Simplifying sensor network interactions Given that the IoT consists of millions of sensing devices in buildings, vehicles and elsewhere that deliver reams of data online, and involves so many different kinds of data, sources and communication modes that its myriad information streams can be onerous to acquire and process, scientists at Georgia Tech Research Institute have developed a flexible,... » read more

System Bits: July 5


Computer vision for automated data collection Stanford University researchers have developed a computer vision system that automates the collection of data about the elements in buildings in order to streamline the remodeling or refurbishment of existing buildings, which can be fraught with delays and cost overruns due to hidden problems. Renovation projects live and die by the quality of i... » read more

System Bits: June 21


Faster running parallel programs, one-tenth the code MIT researchers reminded that computer chips have stopped getting faster and that for the past 10 years, performance improvements have come from the addition of cores. In theory, they said, a program on a 64-core machine would be 64 times as fast as it would be on a single-core machine but it rarely works out that way. Most computer programs... » read more

Power/Performance Bits: June 21


A chip with 1,000 processors A microchip containing 1,000 independent programmable processors has been designed by a team at the University of California, Davis. Called the KiloCore chip, it contains 621 million transistors and was fabricated by IBM using its 32nm CMOS technology. Cores operate at an average maximum clock frequency of 1.78 GHz, and they transfer data directly to each other r... » read more

System Bits: June 14


Microlaser phase locking arrays for terahertz security scanners Researchers at MIT and Sandia National Laboratories reminded that terahertz radiation, the band of electromagnetic radiation between microwaves and visible light, has promising applications in security and medical diagnostics, even if such devices will require the development of compact, low-power, high-quality terahertz lasers. ... » read more

Power/Performance Bits: May 31


Solar thermophotovoltaics A team of MIT researchers demonstrated a device based on a method that enables solar cells to break through a theoretically predicted ceiling on how much sunlight they can convert into electricity. Since 1961 it has been known that there is an absolute theoretical limit, called the Shockley-Queisser Limit, to how efficient traditional solar cells can be in their ... » read more

System Bits: May 10


Topological insulators In a finding that could open up a new pathway to advanced electronic devices and even robust quantum computer architecture, researchers from MIT; Oak Ridge, and Argonne National Laboratories; the Institute for Theoretical Physics in Bochum, Germany; the Institute for Theoretical Solid State Physics in Dresden; the Ecole Normale Superieure in Paris; and the Institute of N... » read more

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