The ingenious minds at Primitive Technology reconstruct an ancient trebuchet capable of launching projectiles 20 meters with ...

Northwood Space has completed initial testing of the second generation of its phased array antenna technology, which can ...

Our report presents the model data supporting unusual design of the extremely low frequency (FLF = 3- 3000 Hz) vertical electric antenna. This “tree” or “wooden” antenna is a pair of electrodes fixed ...

Review of ThinkNode M1 and M2 LoRa nodes, and getting started guide for Meshtastic off-grid messaging and GPS sharing ...

Design of dual band (X/Ka) dual circularly polarized Reflector antenna system with common phase center for deep space satellite TT&C and data Transmission applications is presented. The antenna ...