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.
Hydromorphone, a schedule II narcotic, is used for the relief of moderate to severe, chronic pain due to surgery, cancer, trauma/injury and burns. It is approximately eight times more potent on a per milligram basis than morphine.