Tucson-area optics firm Geost has been supplying sensor systems for U.S. defense and intelligence satellites since its founding by a University of Arizona optics Ph.D. two decades ago. Now, Geost is ...

Abstract: In this paper we present an approach to enlarge the radar cross section of vulnerable road users by using an active reflector consisting of multiple amplifier stages. We will show, that in ...

Arduino library for the HLK LD2420 radar sensor that makes interaction easy and intuitive. The HLK-LD2420 is a high-performance 24GHz human presence and motion radar sensor module. It is designed for ...

From Lake Geneva to the Finland Station… Here's all the ups, downs, history, mystery, studio secrets and more of Pet Shop Boys' biggest hit ...