Apple in a patent application published on Thursday describes a versatile technology that applies optically transparent shells filled with conductive fluid — transparent, opaque or state-changing — as ...

The Committee on a Survey of the Active Sensing Uses of the Radio Spectrum was tasked with: (1) documenting the importance of active remote sensing, particularly for the purpose of serving societal ...

This chapter covers active sensing of the atmosphere using both ground-based and satellite-borne radars. Owing to the vast expanse of weather, hydrometeors, and atmospheric gases, in situ measurements ...