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 ...
For Vickey Sasser, every dulcimer tells the story of Appalachia and America. The mountain dulcimer, a string instrument popular in American folk music, first appeared in America in the early 19th ...
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 ...
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