New gun and drug prosecutions stalled. Several top prosecutors quit. Agents disappeared from drug task forces and gang cases.

Abstract: Phased array antennas (PAAs) with flexible and agile wide-angle beam scanning (WABS) abilities have drawn rapidly increasing attentions in recent years. They have found significant ...

Abstract: We propose a new thin and flat virtual reality (VR) display design using a Fresnel lenslet array, a Fresnel lens, and a polarization-based optical folding technique. The proposed optical ...

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