In the first decade of the 20th century, Einstein produced the theory of the conversion of mass into energy, E=mC(2), which was confirmed by laboratory observations. A new theory of the atom was devised by the English physicist Rutherford in 1913.
Methylphenidate, Methylin. Generic Ritalin. Methylphenidate (methylin) is a moderately priced drug used to treat attention-deficit hyperactivity disorder (ADHD). It is also used to treat narcolepsy. This drug is slightly more popular than comparable drugs. It is available in brand and generic versions.
Knowing the differences between these medications may be helpful when developing a plan of action for ADHD treatment. Focalin Basics Focalin, or dexmethylphenidate, is a mild stimulant that is most commonly used to treat ADHD. It is similar to Ritalin in that it is a modified version of Ritalin, utilizing its most active component. Focalin was formulated for the purpose of providing those who need the convenience of a rapid onset ADHD drug with reduced side effects as compared to Ritalin.