From kid favorite slime kits and karaoke machines to windproof lighters and fluffy cloud socks, here are stocking stuffer and ...

Abstract: In recent years, the metamaterial has become a popular and powerful tool in the electromagnetic polarization conversion design. In this paper, a flexible and transparent broadband ...

Paul Homchick bought his first fountain pen three decades ago. He was working as an engineering consultant and wanted to seem trustworthy as he took notes. Since retiring, the 76-year-old has been ...