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Latest Optical cavity Stories

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2010-01-25 07:20:00

Natural cavities act like mirrors in light-emitting plastics When University of Utah scientists discovered a new kind of laser that was generated by an electrically conducting plastic or polymer, no one could explain how it worked and some doubted it was real. Now, a decade later, the Utah researchers have found these "random lasers" occur because of natural, mirror-like cavities in the polymers, and they say such lasers may prove useful for diagnosing cancer. "Nobody knew how it worked until...


Word of the Day
toccata
  • In music, a work for a keyboard-instrument, like the pianoforte or organ, originally intended to utilize and display varieties of touch: but the term has been extended so as to include many irregular works, similar to the prelude, the fantasia, and the improvisation.
This word is Italian in origin, coming from the feminine past participle of 'toccare,' to touch.
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