Radio telescopes saw a strange burst of unknown energy in June 2024. Now we know it was from Relay 2, an early ...

A planar reflectarray antenna based on liquid crystal materials is presented in this paper. First, a new type of loop dipole miniaturized liquid crystal antenna reflection unit is constructed. The ...

A new frequency reconfigurable Ultra WideBand [UWB] microstrip antenna is designed for cognitive radio applications. The proposed system has sensing and communication antennas in the same system.

Astronomers in Australia picked up a strange radio signal in June 2024 — one near our planet and so powerful that, for a ...

Fly over the captivating Lofoten Islands in northern Norway, where rugged mountains rise dramatically from crystal-clear ...