Geometric shapes provide a timeless look and yet a modern update to any décor, including Christmas decorations. These super simple diy geometric straw prisms are not only fast to make (especially ...

Portable Bluetooth speakers have become a must-have for music, podcasts and even calls when you’re on the move. Whether you’re heading to the beach, planning a camping trip or just want something more ...

Abstract: This letter presents a frequency selective absorber (FSR) with a passband and two wide absorption bands. The structure is composed of a resistive layer and a bandpass frequency selective ...