For the past eight years, the most prominent of all federal crime-prevention initiatives has been the Community Oriented Policing Services (COPS) program. The COPS program was instituted to give ...

Mr. Chairman, my name is David Muhlhausen. I am a policy analyst at the Heritage Foundation Center for Data Analysis specializing in crime policy and program evaluation. In beginning my testimony I ...

Speed, torque, and horsepower are three inter-related parameters in motor control. The speed of a motor, measured in revolutions per minute (rpm), defines a motor's ability to spin at a rate per unit ...

Contrôler les variables dans les systèmes sociaux - Une approche de modélisation structurelle. En sciences sociales, lors de l’étude de relations causales, il n’est en général pas évident de choisir ...

Pitch-controlled variable-speed horizontal-axis wind turbines (HAWTs) are increasingly being investigated for use in electrical power production. The governing equations of HAWTs are expensive to ...