Using heat-activated nitinol metal, researchers have devised a reversible, shape-shifting, conical spiral antenna that needs ...

We can all learn something from [Adam]’s write-up, and we salute him for staying the course to get the design to a usable point. It would be interesting to see the same antenna produced from a ...

Poor reception of low-power and distant channels The RCA ANTD8E Multi-Directional Amplified TV Antenna delivers good reception of strong local channels, and it has a unique design that won’t ...