Content analysis is a research technique used in management, marketing, health, and the social sciences to analyze verbal and written material. The technique uses a set of codes to reduce volumes of ...

In any application using motors for automation, there is a need to ensure accurate control of the motor. To make this possible, the position and speed of the rotor in the motor, which is usually ...

The American Biology Teacher, a nationally recognized journal, offers articles on recent advances in biology and life science, instructional activities for the classroom and laboratory, and ...