Playgrounds could be brutal in the 80s and early 90s. We’ve found a selection of pictures showing kids enjoying (or enduring) the playground equipment. Recognise anyone? Let us know. ICYMI: 38 amazing ...

In this paper, a wideband metal-line antenna for $\\mathbf{5 G}$ metal frame mobile phones is proposed and analyzed. The proposed antenna consists of a T branch and two ground branches, an SP5T switch ...