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• Images of a graphene on an Iridium substrate obtained with a LEEM

  
  

  ajouté le : 2009-08-14

  
  

  Figure 1. Images of graphene (light) on an Iridium substrate (dark), obtained with a Low Energy Electron Microscope. (a) with the traditional MCP detector and (b) with the Medipix detector. The distance scales correspond with dimensions on the detector. The sample area imaged is 15.5 μm x 15.5 μm.

   

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  Roadrunner Breaks Petaflop Milestone

  
  

  ajouté le : 2008-10-06

  
  

  Lead engineer Don Grice of IBM inspects the world's fastest computer in the company's Poughkeepsie, NY plant. The computer nicknamed "Roadrunner" was built for the Department of Energy's National Nuclear Security Administration and will be housed at Los Alamos National Laboratory in New Mexico. IBM engineers in Poughkeepsie, N.Y., Rochester, Minn., Austin, Texas and Yorktown Heights, N.Y., worked on the computer, the first to break a milestone known as a "petaflop" -- the ability to calculate 1,000-trillion operations every second. The computer packs the power of 100,000 laptops -- a stack 1.5 miles high. Roadrunner will primarily be used to ensure national security, but will also help scientists perform research into energy, astronomy, genetics and climate change.

   

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  The Bulgarian Blue Gene

  
  

  ajouté le : 2008-10-02

  
  

  The Bulgarian State Agency for Information Technology and Communications (SAITC) and IBM Bulgaria today announced the Bulgarian IBM Blue Gene/P - the first installation of the world famous Blue Gene computer in Bulgaria.

   

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  Official opening of the National Supercomputing Applications Center

  
  

  ajouté le : 2008-09-21

  
  

  From left to right: Plamen Vatchkov, Chairman, State Agency for Information Technology and Communications; Sergey Stanishev, Prime Minister, Republic of Bulgaria; Petar Dimitrov, Minister of the Economy and Energy, Republic of Bulgaria, Peter Tesarik, Vice President, General Business, IBM Central and Eastern Europe, Alexander Rakov, General Manager, IBM Bulgaria

   

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