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.
Methadone is an opiate agonist that is prescribed under controlled circumstances to treat the symptoms of opiate withdrawal. In 2000, buprenorphine became the first narcotic drug that could be prescribed by certified physicians for the treatment of opioid dependence under the Drug Addiction Treatment Act.