Radar is a useful tool with familiar uses such as detecting aircraft and observing weather. It also has some less known applications, such as a technology known as ground-penetrating radar (GPR).

It’s exactly what the title says: an open-source radar system that can see into the Earth for less than $500. While ground penetrating radar is great for archaeology and people searching for ...

Ground penetrating radar detects electrical discontinuities in the shallow subsurface (<50m) by generating pulses of high-frequency electromagnetic energy and detecting the reflections from the ...

For example, they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. Store and/or access information on a device 593 partners can use this ...