| Tag: Researchers | |
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Solving an Earth-Sized Jigsaw Puzzle |
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By crawler on Thursday September 2 @ 09:40 AM |
| aarondubrow writes "Three years ago, researchers from Caltech and The University of Texas at Austin came together to create a computational tool that could model the Earth and answer the most pressing questions in geophysics: What controls the speed of plates? How do microplates interact? How much energy do the plates generate and how does it dissipate? Using a new geodynamics software package they developed, the researchers have modeled plate motion with greater accuracy than ever before. The project is also a finalist for the Gordon Bell Prize — high performance computing's Oscar — at this year's SC10 conference." Read more of this story at Slashdot. | |
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Li-Ion Batteries Get Green Seal of Approval |
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By crawler on Thursday September 2 @ 04:00 AM |
| thecarchik writes "It is not an easy task to compare the environmental effects of battery powered cars to those caused by conventionally fueled automobiles. The degree to which manufacture, usage and disposal of the batteries used to store the necessary electrical energy are detrimental to the environment is not exactly known. Now, for the first time, a team of Empa scientists have made a detailed life cycle assessment (LCA) or ecobalance of lithium-ion (Li-ion) batteries, in particular the chemically improved (i.e. more environmentally friendly) version of the ones most frequently used in electric vehicles. Researchers decided to find out for sure. They calculated the ecological footprints of electric cars fitted with Li-ion batteries, taking into account all possible relevant factors, from those associated with the production of individual parts all the way through to the scrapping of the vehicle and the disposal of the remains, including the operation of the vehicle during its lifetime." Read more of this story at Slashdot. | |
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New Silicon-Based Memory 5X Denser Than NAND Flash |
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By crawler on Wednesday September 1 @ 04:00 AM |
| Lucas123 writes "Researchers at Rice University said today they have been able to create a new non-volatile memory using nanocrystal wires as small as 5 nanometers wide that can make chips five times more dense than the 27 nanometer NAND flash memory being manufactured today. And, the memory is cheap because it uses silicon and not more expensive graphite as been used in previous iterations of the nanowire technology. The nanowires also allow stacking of layers to create 3-D memory, even more dense. 'The fact that they can do this in 3D makes makes it highly scalable. We've got memory that's made out of dirt-cheap material and it works,' a university spokesman said." Read more of this story at Slashdot. | |
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9 Ideas For Coping With Space Junk |
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By crawler on Tuesday August 31 @ 07:10 PM |
| An anonymous reader writes "The space age has filled Earth's orbit with all manner of space junk, from spent rocket stages to frozen bags of astronaut urine, and the problem keeps getting worse. NASA's orbital debris experts estimate that there are currently about 19,000 pieces of space junk that are larger than 10 centimeters, and about 500,000 slightly smaller objects. Researchers and space companies are plotting ways to clean up the mess, and a new photo gallery from Discover Magazine highlights some of the proposals. They range from the cool & doable, like equipping every satellite with a high-tech kite tail for deployment once the satellite is defunct, to the cool & unlikely, like lasers in space." Read more of this story at Slashdot. | |
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Sorting Algorithm Breaks Giga-Sort Barrier, With GPUs |
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By crawler on Monday August 30 @ 03:10 AM |
| An anonymous reader writes "Researchers at the University of Virginia have recently open sourced an algorithm capable of sorting at a rate of one billion (integer) keys per second using a GPU. Although GPUs are often assumed to be poorly suited for algorithms like sorting, their results are several times faster than the best known CPU-based sorting implementations." Read more of this story at Slashdot. | |
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