All levels will incorporate skills and concepts to stay safe around water, in addition to those needed to help themselves or others in an aquatic emergency. Beginner - Introduces basic aquatic skills ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

Teaching Hard History: American Slavery is a comprehensive guide for teaching and learning the critical topic of slavery at all grade levels. Most students leave high school without an adequate ...