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 ...

Also read: Sobering Lessons From US-Iran Deal: India Must Engage US as Equal Partner, Not a Subordinate One The mullah faction under Ayatollah Khomeini, better organised and more ruthless than its ...

The stripes represent the 13 original colonies. The 50 stars represent the number of states. Flag Bead Pins - Use seed beads and safety pins to make a flag or other ...