Radar uses radio waves to enable us to see what’s around us even when our eyes can’t When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Radar was ...

Synthetic aperture radar is a radar observation device that functions as a virtual radar with an aperture larger than that of an actual laser by moving the radar device itself in a straight line.

[JBeale] squeezed every last drop of performance from a $5 Doppler radar module, and the secrets of that success are half hardware, half firmware, and all hack. On the hardware side, the first ...