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.
Weâve all read about marijuana being a âgateway drugâ to more dangerously addictive drugs, such as cocaine and crack, or methamphetamine, or narcotics like heroin and morphine. The new âgateway drugâ, especially to heroin, is the prescription narcotic OxyContin, and its active opioid ingredient, oxycodone.In cities, towns and even rural areas all across America, heroin addiction is a growing problem.eâve all read about marijuana being a âgateway drugâ to more dangerously addictive drugs, such as cocaine and crack, or methamphetamine, or narcotics like heroin and morphine. The new âgateway drugâ, especially to heroin, is the prescription narcotic OxyContin, and its active opioid ingredient, oxycodone.