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In spite of a "war on drugs" that spans years, and in spite of increases in law enforcement efforts and to a lesser extent treatment, substance abuse and dependence continue. While the number of people who experiment with drugs has decreased in recent years, those who use drugs repeatedly, per- haps several times a week, a measure of "hard core" drug abusers, has not changed, and emergency room visits associated with substances abuse continues to rise. Considering both licit and illicit drug abuse, the number of drug abusers in, for example, the United States is very large and, accordingly,...

Originally published in 1901, this book was intended for students of physics to become acquainted with the principles and methods of accurate measurement in laboratories. Aimed as a reference guide for undergraduates to develop and reinforce their understanding of elementary physics, the book is divided into six sections: preliminary, general physics, heat, sound, light, and magnetism and electricity. Within each of these sections, multiple experiments are contained and instructions are provided on how to carry out each experiment, whilst notes are also provided for teachers on how to measure...