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 ...

As billions pour into artificial intelligence, the late Fed chair’s famous warnings about market bubbles feel especially ...

The clarinet has a way of sneaking up on you. One minute you’re listening to a symphony and the next you’re wondering how that single reed can produce such a liquid, vocal sound. It’s the chameleon of ...