British meteorologists are to use the world’s largest supercomputer to help them predict the evolution of the Earth’s climate in the 21st century with unprecedented accuracy.
Scientists at the NCAS Centre for Global Atmospheric Modelling (CGAM), based at the University of Reading, have been awarded £700,000 from NERC to work with the state-of-the-art Earth Simulator in Yokohama, Japan. This is part of a formal collaboration between CGAM, the Met Office’s Hadley Centre, the University of Tokyo and the Earth Simulator Centre.
Housed in a special building the size of four tennis courts, the Earth Simulator is the world’s biggest and fastest supercomputer. Its 640 nodes, each consisting of eight powerful vector processors, are linked together by 83,000 high speed cables. The supercomputer has a sustained performance of 35.86 Teraflops and a main memory of 10 Terabytes.
Craig Hillsley | alfa
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MPQ scientists achieve long storage times for photonic quantum bits which break the lower bound for direct teleportation in a global quantum network.
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The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.
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