A simple example of a polarized transverse wave is vibrations traveling along a taut string (see image); for example, in a musical instrument like a guitar string. Depending on how the string is plucked, the vibrations can be in a vertical direction, horizontal direction, or at any angle perpendicular to the string.
Commission on Narcotic Drugs considers future of drug control. 14 March 2008 - The 51 st session of the annual Commission on Narcotic Drugs (CND) wrapped up today.
But the decision is also likely to result in higher prices for OxyContin, a time-release form of a narcotic called oxycodone, because it will not face generic competition. The decision by the F.D.A. came on the day when the patent for the original version of OxyContin was set to expire. That would have allowed generic producers to introduce their own version of the formulation.