An MQ-9 Reaper drifts ominously through the crisp, pre-dawn sky over Sanaa, Yemen. Its matte-gray fuselage blends seamlessly ...

Analysis of data from NASA radar aboard an airplane shows that the decades-old active landslide area on the Palos Verdes ...

Let’s start off with proof. Below is an animation of a measurement of airplanes and meteors I made using a radar system that I built with a few simple easily available pieces of hardware ...

Like most waves in the electromagnetic spectrum, radio waves tend to bounce off of various objects. This can be frustrating to anyone trying to use something like a GMRS or LoRa radio in a dense ...

This is where passive radar could be a suitable alternative for avalanche monitoring. Unlike conventional active radar, passive radar is a positioning technology that does not emit electromagnetic ...