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2013-03-14 18:15:47

Terahertz (THz) radiation, a slice of the electromagnetic spectrum that occupies the middle ground between microwaves and infrared light, is rapidly finding important uses in medical diagnostics, security, and scientific research.


Word of the Day
zill
  • One of a pair of round metal cymbals attached to the fingers and struck together for rhythm and percussion in belly dancing.
The word 'zill' comes from a Turkish word meaning "cymbals".
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