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2Physics Quote:
"Lasers are light sources with well-defined and well-manageable properties, making them an ideal tool for scientific research. Nevertheless, at some points the inherent (quasi-) monochromaticity of lasers is a drawback. Using a convenient converting phosphor can produce a broad spectrum but also results in a loss of the desired laser properties, in particular the high degree of directionality. To generate true white light while retaining this directionality, one can resort to nonlinear effects like soliton formation."
-- Nils W. Rosemann, Jens P. Eu├čner, Andreas Beyer, Stephan W. Koch, Kerstin Volz, Stefanie Dehnen, Sangam Chatterjee
(Read Full Article: "Nonlinear Medium for Efficient Steady-State Directional White-Light Generation"
)

Tuesday, May 10, 2005

Nanotechnology: "There's Plenty of Room at the Bottom"

In 1959, Richard Feynman gave his visionary talk entitled "There's Plenty
of Room at the Bottom" on the Caltech campus in Pasadena, CA. This great
presentation by Feynman now holds a preeminent, defining, and inspirational
place in the history of the now-emerging field of Nanotechnology. In what
were approximately 7000 words, he mapped out potentialities that are only
today beginning to be realized.

In January 2001, President Clinton visited the Caltech campus and, in a
preview of his upcoming State of the Union address, announced his
administration's launch of the "National Nanotechnology Initiative." This
impetus has since led to a huge upsurge of activity; a number of major
universities and research institutions have now embarked upon their own
"nano" initiatives in diverse areas of nanoscale science and technology
that covers important areas of biotechnology too.

Caltech launched the Kavli Nanoscience Institute (KNI) in order to enhance
its multidisciplinary research activities in all ares of nanoscience. To know
more about nanotechnology, visit KNI website. Yes, you will get a link to
many interesting and popular articles about this field, including that
celebrated article by Feynman also!


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