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The strange new world of Nanoscience, narrated by Stephen Fry!! Cambridge University

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Nanotechnology ("nanotech") is manipulation of matter on an atomicmolecular, and supramolecular scale. The earliest, widespread description of nanotechnology[1][2] referred to the particular technological goal of precisely manipulating atoms and molecules for fabrication of macroscale products, also now referred to as molecular nanotechnology. A more generalized description of nanotechnology was subsequently established by the National Nanotechnology Initiative, which defines nanotechnology as the manipulation of matter with at least one dimension sized from 1 to 100 nanometers. This definition reflects the fact that quantum mechanical effects are important at this quantum-realm scale, and so the definition shifted from a particular technological goal to a research category inclusive of all types of research and technologies that deal with the special properties of matter which occur below the given size threshold. It is therefore common to see the plural form "nanotechnologies" as well as "nanoscale technologies" to refer to the broad range of research and applications whose common trait is size. Because of the variety of potential applications (including industrial and military), governments have invested billions of dollars in nanotechnology research. Through 2012, the USA has invested $3.7 billion using its National Nanotechnology Initiative, the European Union has invested $1.2 billion, and Japan has invested $750 million.[3]
Wikipedia
                                                                                      
                                                                                           Technology gives us the facilities that lessen the barriers of time and
                                                                                            distance - the telegraph and cable, the telephone, radio, and the rest. 
                                                                                   Emily Greene Balch

  Cambridge University                                          
                                                                           

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