The rolling plains of Kenya’s Maasai Mara and the millions of animals that live there face a shiny new intrusion: a gleaming Ritz-Carlton safari camp. With private plunge pools, butler service and ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. The market approach is a method for determining the value of an ...

Abstract: The instability of the sheet electron beam (SEB) is an essential factor for limiting the power of the SEB traveling wave tube (TWT). To solve this issue, this article proposes a method to ...

Abstract: This letter proposes an angle-multiplexed multifocal method for designing a 2-D beam-scanning transmitarray (TA). The angle-multiplexed method is commonly used to generate orbital angular ...