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.
RITALIN is a central nervous system stimulant prescription medicine. It is used for the treatment of Attention-Deficit Hyperactivity Disorder (ADHD). RITALIN may help increase attention and decrease impulsiveness and hyperactivity in patients with ADHD.o not use RITALIN-SR for a condition for which it was not prescribed. Do not give RITALIN-SR to other people, even if they have the same condition. It may harm them and it is against the law. This Medication Guide summarizes the most important information about RITALIN-SR.