IBM marks three decades of nanotechnology leadership. Two milestone IBM inventions—the Scanning Tunneling Microscope (STM) in 1981 and the Atomic Force Microscope (AFM) in 1986—provided researchers around the world with the specialized tools they needed to explore the nano-cosm and manipulate materials at the atomic level for the first time.
A timeline of the Chernobyl disaster.
The 2011 CONCACAF Gold Cup is the 11th edition of the CONCACAF Gold Cup competition and 20th CONCACAF regional championship overall. The winner of the tournament will qualify for the 2013 FIFA Confederations Cup in Brazil. The United States is the host nation; the final will be played at the Rose Bowl in Pasadena, California on June 25, 2011.
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